US2153003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain fastener
Assignee: FKI Industries Inc
•
Filing: 1936-09-30
•
Granted: 1939-04-04
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Expires: 1956-09-30
Abstract
No abstract record available.
Inventors
- 👤 William E Myers
- 👤 William F Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06; B60C27/08; F; F16; F16B; F16B45/00; F16B45/02; F16B45/027; F16B45/029; F16B45/034; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2119; Y10T24/39; Y10T24/3902
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) | 1942-04-03 | 1942-10-03 | 1943-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-03 | 1946-10-03 | 1947-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-03 | 1950-10-03 | 1951-04-04 | $7700.00 | Window Closed / Lapsed |