US3485133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1968-05-13
•
Granted: 1969-12-23
•
Expires: 1988-05-13
Abstract
No abstract record available.
Inventors
- 👤 George Martin Rapata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB490718A
Cited
US2554704A
Cited
US3169439A
Cited
US3177540A
Cited
US3181411A
Cited
FR1342218A
Cited
BE642940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |