Patent US3355935A successfully refreshed from Google Patents.
US2913953A
Expired / Lapsed
US
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Anchor bolt with drive means for forming a hole
Assignee: Individual
•
Filing: 1956-11-01
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Granted: 1959-11-24
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Helen E Tendler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/061; F16B13/002; F16B13/003; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/49943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR551811A
Cited
CH130506A
Cited
US2313616A
Cited
US2307617A
Cited
GB585887A
Cited
US2559281A
Cited
US2744437A
Cited
US2762252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |