US2879969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining clamps
Assignee: B T Co Inc
•
Filing: 1958-05-23
•
Granted: 1959-03-31
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Julien G Bamberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041613A
Cited
US1931148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |