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US3139958A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable foldable building structure

Assignee: Individual
•
Filing: 1960-12-20
•
Granted: 1964-07-07
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Expires: 1980-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Witt Clarence Neil De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:25
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/3448; E04B1/3445; E04B1/345; E04B2001/0053; E04B2001/0084; E04B2001/0092

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
A FOLDABLE BUILDING STRUCTURE COMPRISING A ROOF AND A WALL, SAID WALL COMPRISING A PLURALITY OF RIGID AND RELATIVELY FLAT WALL SECTIONS EACH HAVING A PAIR OF SPACED EDGES, EACH EXTENDING PARALLEL TO AND ADJACENT TO THE EDGES OF AN ADJACENT WALL SECTION, WALL HINGE MEANS PIVOTALLY CONNECTING ADJACENT PAIRS OF SAID EDGES SO THAT SAID WALL SECTIONS MAY BE FOLDED INTO SUBSTANTIALLY PARALLEL RELATIONSHIP WITH A WALL SPACED BETWEEN EACH PAIR OF ADJACENT WALL SECTIONS AND UNFOLDABLE INTO A POLYGONAL WALL STRUCTURE SURROUNDING A CHAMBER, SAID ROOF INCLUDING A PLURALITY OF RIGID ROOF SECTIONS OF SUBSTANTIALLY EQUAL SIZE AND EACH SECTION HAVING A PAIR OF CONVERGING EDGES, ROOF HINGE MEANS PIVOTALLY CONNECTING EACH EDGE OF EACH ROOF SECTION TO AN EDGE OF AN ADJACENT ROOF SECTION SO THAT SAID ROOF SECTIONS MAY BE FOLDED INTO SUBSTANTIALLY PARALLEL RELATIONSHIP WITH ONE ANOTHER WITH A ROOF SPACE BETWEEN EACH PAIR OF ADJACENT ROOF SECTIONS AND UNFOLDABLE SO AS TO FORM A SUBSTANTIALLY IMPERFORATE ROOF STRUCTURE SUPPORTED ON SAID WALL STRUCTURE AND COVERING SAID CHAMBER, PIVOT MEANS PIVOTALLY SECURING SAID WALL SECTIONS TO SAID ROOF SECTIONS SO THAT ALL SAID SECTIONS MAY BE SIMULTANEOUSLY FOLDED INTO PARALLEL INTERNESTING RELATIONSHIP WITH ADJACENT PAIRS OF ROOF SECTIONS EXTENDING INTO SAID WALL SPACES AND WITH ADJACENT PAIRS OF SAID WALL SECTIONS EXTENDING INTO SAID ROOF SPACES.
Claim 2
Dependent Claim 221 words
A FOLDABLE BUILDING STRUCTURE COMPRISING A ROOF AND A WALL, SAID WALL COMPRISING A PLURALITY OF RIGID AND RELATIVELY FLAT WALL SECTIONS EACH HAVING A PAIR OF SPACED EDGES, EACH EXTENDING PARALLEL TO AND ADJACENT TO THE EDGES OF AN ADJACENT WALL SECTION, WALL HINGE MEANS PIVOTALLY CONNECTING ADJACENT PAIRS OF SAID EDGES SO THAT SAID WALL SECTIONS MAY BE FOLDED INTO SUBSTANTIALLY PARALLEL RELATIONSHIP WITH A WALL SPACED BETWEEN EACH PAIR OF ADJACENT WALL SECTIONS AND UNFOLDABLE INTO A POLYGONAL WALL STRUCTURE SURROUNDING A CHAMBER, SAID ROOF INCLUDING A PLURALITY OF RIGID ROOF SECTIONS OF SUBSTANTIALLY EQUAL SIZE AND EACH SECTION HAVING A PAIR OF CONVERGING EDGES, ROOF HINGE MEANS PIVOTALLY CONNECTING EACH EDGE OF EACH ROOF SECTION TO AN EDGE OF AN ADJACENT ROOF SECTION SO THAT SAID ROOF SECTIONS MAY BE FOLDED INTO SUBSTANTIALLY PARALLEL RELATIONSHIP WITH ONE ANOTHER WITH A ROOF SPACE BETWEEN EACH PAIR OF ADJACENT ROOF SECTIONS AND UNFOLDABLE SO AS TO FORM A SUBSTANTIALLY IMPERFORATE ROOF STRUCTURE SUPPORTED ON SAID WALL STRUCTURE AND COVERING SAID CHAMBER, PIVOT MEANS PIVOTALLY SECURING SAID WALL SECTIONS TO SAID ROOF SECTIONS SO THAT ALL SAID SECTIONS MAY BE SIMULTANEOUSLY FOLDED INTO PARALLEL INTERNESTING RELATIONSHIP WITH ADJACENT PAIRS OF ROOF SECTIONS EXTENDING INTO SAID WALL SPACES AND WITH ADJACENT PAIRS OF SAID WALL SECTIONS EXTENDING INTO SAID ROOF SPACES.

References Cited (Backward Citations)

US539226A Cited
US2406593A Cited
US2652906A Cited
US2728115A Cited
US2963122A Cited
US2982290A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-07 1968-01-06 1968-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-07 1972-01-06 1972-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-07 1976-01-06 1976-07-07 $7700.00 Window Closed / Lapsed

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