Patent US1966520A successfully refreshed from Google Patents.
US1966520A
Expired / Lapsed
US
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Art of threaded fastening
Assignee: Individual
•
Filing: 1930-09-10
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Granted: 1934-07-17
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Expires: 1950-09-10
Abstract
No abstract record available.
Inventors
- 👤 Rayner John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:56
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881; Y10T29/53; Y10T29/53687; Y10T29/53691; Y10T408/00; Y10T408/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-16 | 1938-01-15 | 1938-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-16 | 1942-01-15 | 1942-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-16 | 1946-01-15 | 1946-07-17 | $7700.00 | Window Closed / Lapsed |