US3156152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-tapping driving screw fastener
Assignee: Reed and Prince Manufacturing Co
•
Filing: 1961-09-08
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Granted: 1964-11-10
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Reed Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:00
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/06; F16B25/00; F16B25/001; F16B25/0021; F16B25/0036; F16B25/0042; F16B25/0057; F16B25/0063; F16B25/0084; F16B25/10; F16B25/106
Claims Analysis
Total Claims: 0
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |