US3309822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exterior anchoring apparatus for surface sheet
Assignee: Individual
•
Filing: 1965-09-03
•
Granted: 1967-03-21
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 William H Dunkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:51
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
ANCHORING APPARATUS FOR SURFACE SHEETS OVERLYING SHEATHING, COMPRISING HOOK MEANS ENGAGING AN EDGE PORTION OF A SHEET AND SHEATHING THEREBENEATH, HOLD-DOWN TIE-ROD MEANS CLOSELY OVERLYING SUCH SURFACE SHEET AND IN ENGAGEMENT THEREWITH, ONE OF SAID MEANS HAVING AN EYE PROJECTING ABOVE SUCH SURFACE SHEET, BOLT MEANS CONNECTED TO THE OTHER OF SAID MEANS AND EXTENDING THROUGH SAID EYE, AND NUT MEANS SECURING SAID BOLT MEANS IN SAID EYE.
Claim 2
Dependent Claim
68 words
ANCHORING APPARATUS FOR SURFACE SHEETS OVERLYING SHEATHING, COMPRISING HOOK MEANS ENGAGING AN EDGE PORTION OF A SHEET AND SHEATHING THEREBENEATH, HOLD-DOWN TIE-ROD MEANS CLOSELY OVERLYING SUCH SURFACE SHEET AND IN ENGAGEMENT THEREWITH, ONE OF SAID MEANS HAVING AN EYE PROJECTING ABOVE SUCH SURFACE SHEET, BOLT MEANS CONNECTED TO THE OTHER OF SAID MEANS AND EXTENDING THROUGH SAID EYE, AND NUT MEANS SECURING SAID BOLT MEANS IN SAID EYE.
References Cited (Backward Citations)
US352424A
Cited
GB189410274A
Cited
US670753A
Cited
US1085158A
Cited
US1273399A
Cited
GB160906A
Cited
US1574099A
Cited
US2874651A
Cited
US3088558A
Cited
FR1327287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |