US2575213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bimetallic fastener
Assignee: Individual
•
Filing: 1946-01-04
•
Granted: 1951-11-13
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
- 👤 Fruth Hal Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:48
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1478028A
Cited
GB303126A
Cited
US1983269A
Cited
US2220978A
Cited
US2196671A
Cited
US2251278A
Cited
US2362424A
Cited
US2368193A
Cited
US2377222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |