Patent US3295589A successfully refreshed from Google Patents.
US3295589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic door
Assignee: KELLEY CO Inc
•
Filing: 1964-05-20
•
Granted: 1967-01-03
•
Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pfleger
- 👤 George E Mcguire
- 👤 Robert C Beckwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:09
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1253; E05D; E05D11/00; E05D11/10; E05D11/1028; E05D11/105; E05D11/1064; E06; E06B; E06B3/00; E06B3/70; E06B3/80; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/696; E05Y2201/702; E05Y2600/00; E05Y2600/10; E05Y2600/20; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A CLOSURE FOR DOORWAYS WHEREIN A PAIR OF COMPLEMENTARY SIMILAR DOORS ARE HINGEDLY MOUNTED AT THEIR REMOTE EDGES TO SWING IN EITHER DIRECTION TO AND FROM CLOSED POSITIONS AT WHICH THEIR FREE EDGES ARE CONTIGUOUS, AND WHEREIN THE DOORS ARE BIASED TO THEIR CLOSED POSITIONS, THE IMPROVEMENT WHICH RESIDES IN THE FACT THAT EACH DOOR COMPRISES: (A) A RIGID INVERTED L-SHAPED FRAME HAVING AN UPRIGHT RAIL EXTENDING FROM TOP TO BOTTOM OF THE DOOR ALONG ITS HINGED EDGE, AND A TRANSVERSE ARM EXTENDING LATERALLY FROM THE UPPER END OF THE RAIL; (B) AN UPPER PANEL SECTION FORMED ESSENTIALLY OF SUBSTANTIALLY TRANSPARENT MATERIAL WHICH POSSESSES ONLY LIMITED FLEXIBILITY; (C) A LOWER PANEL SECTION FORMED OF RUBBER-LIKE MATERIAL HAVING SUBSTANTIAL FLEXIBILITY; (D) MEANS SECURING THE UPPER PANEL SECTION TO THE UPRIGHT RAIL AND THE TRANSVERSE ARM OF SAID FRAME; (E) MEANS SECURING THE LOWER PANEL SECTION TO THE UPRIGHT RAIL,
Claim 2
Dependent Claim
148 words
A CLOSURE FOR DOORWAYS WHEREIN A PAIR OF COMPLEMENTARY SIMILAR DOORS ARE HINGEDLY MOUNTED AT THEIR REMOTE EDGES TO SWING IN EITHER DIRECTION TO AND FROM CLOSED POSITIONS AT WHICH THEIR FREE EDGES ARE CONTIGUOUS, AND WHEREIN THE DOORS ARE BIASED TO THEIR CLOSED POSITIONS, THE IMPROVEMENT WHICH RESIDES IN THE FACT THAT EACH DOOR COMPRISES: (A) A RIGID INVERTED L-SHAPED FRAME HAVING AN UPRIGHT RAIL EXTENDING FROM TOP TO BOTTOM OF THE DOOR ALONG ITS HINGED EDGE, AND A TRANSVERSE ARM EXTENDING LATERALLY FROM THE UPPER END OF THE RAIL; (B) AN UPPER PANEL SECTION FORMED ESSENTIALLY OF SUBSTANTIALLY TRANSPARENT MATERIAL WHICH POSSESSES ONLY LIMITED FLEXIBILITY; (C) A LOWER PANEL SECTION FORMED OF RUBBER-LIKE MATERIAL HAVING SUBSTANTIAL FLEXIBILITY; (D) MEANS SECURING THE UPPER PANEL SECTION TO THE UPRIGHT RAIL AND THE TRANSVERSE ARM OF SAID FRAME; (E) MEANS SECURING THE LOWER PANEL SECTION TO THE UPRIGHT RAIL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |