US3074694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof-nail spud
Assignee: Individual
•
Filing: 1961-02-24
•
Granted: 1963-01-22
•
Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:38
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A DISMANTLING TOOL ADAPTED FOR THE REMOVAL OF SPACED ROWS OF ROOFING NAILS AND ROOFING MATERIALS SECURED BY THE NAILS FROM SHEATING, THE DISMANTLING TOOL COMPRISING: (A) A WORKING HEAD INCLUDING A PLURALITY OF ELONGATED WEDGE PLATES; (B) EACH WEDGE PLATE HAVING AN UPPER EDGE AND A LOWER EDGE ANGULARLY ARRANGED RELATIVE TO ONE ANOTHER AND MEETING IN A SHARP LEADING EDGE, THE LOWER END EDGE BEING SUBSTANTIALLY FLAT AND BEING ADAPTED FOR SLIDING, PLANAR CONTACT ALONG SAID SHEATHING; (C) SPACER PLATES BETWEEN ADJACENT WEDGE PLATES AND SPACED FROM THE LEADING EDGES THEREOF WHEREBY THERE IS PROVIDED A TOOTHED LEADING END; (D) SAID WEDGE PLATES HAVING ARCUATE FORWARD END EDGES; (E) A SHANK PLATE CARRIED BY THE WORKING HEAD ON THE END THEREOF REMOTE FROM SAID LEADING END; AND (F) HANDLE MEANS SECURED TO SAID SHANK PLATE.
References Cited (Backward Citations)
US730781A
Cited
US1101845A
Cited
US1377484A
Cited
US2473866A
Cited
GB666298A
Cited
US2663555A
Cited
US2769236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |