US3303623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof anchor
Assignee: Individual
•
Filing: 1963-10-03
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Granted: 1967-02-14
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Elgrin C Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:02
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
ROOF ANCHOR MEANS IN COMBINATION WITH A SHEET METAL ROOFING PANEL AND SHEATHING STRIPS, SAID ANCHOR MEANS COMPRISING A SHALLOW BRACKET SECURED TO THE UNDERSIDE OF SAID PANEL AND OVERLYING AN OPENING FORMED IN SAID SHEATHING STRIPS, A TENSION LUG HAVING A HOOK PORTION INTERLOCKING WITH SAID SHALLOW BRACKET AND HAVING A LOOP PORTION EXTENDING THROUGH SAID OPENING AND BEYOND THE LOWER SURFACE OF SAID SHEATHING STRIPS, A WEDGESHAPED KEY EXTENDING THROUGH SAID LOOP PORTION AND REACTING AGAINST THE UNDER SURFACE OF SAID SHEATHING STRIPS, SAID ROOFING PANEL BEING CORRUGATED, AND SAID BRACKET BEING A SINGLE PLATE CONNECTING THE OPPOSITE WALLS OF A CORRUGATION OF SAID ROOFING PANEL AND SUBTENDING AN ARC OF SUBSTANTIALLY 90*.
Claim 2
Dependent Claim
115 words
ROOF ANCHOR MEANS IN COMBINATION WITH A SHEET METAL ROOFING PANEL AND SHEATHING STRIPS, SAID ANCHOR MEANS COMPRISING A SHALLOW BRACKET SECURED TO THE UNDERSIDE OF SAID PANEL AND OVERLYING AN OPENING FORMED IN SAID SHEATHING STRIPS, A TENSION LUG HAVING A HOOK PORTION INTERLOCKING WITH SAID SHALLOW BRACKET AND HAVING A LOOP PORTION EXTENDING THROUGH SAID OPENING AND BEYOND THE LOWER SURFACE OF SAID SHEATHING STRIPS, A WEDGESHAPED KEY EXTENDING THROUGH SAID LOOP PORTION AND REACTING AGAINST THE UNDER SURFACE OF SAID SHEATHING STRIPS, SAID ROOFING PANEL BEING CORRUGATED, AND SAID BRACKET BEING A SINGLE PLATE CONNECTING THE OPPOSITE WALLS OF A CORRUGATION OF SAID ROOFING PANEL AND SUBTENDING AN ARC OF SUBSTANTIALLY 90*.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |