US2743684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tie-down track fitting
Assignee: GORDON D BROWN
•
Filing: 1952-07-12
•
Granted: 1956-05-01
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Elsner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:48
CPC Classifications
B; B61; B61D; B61D45/00; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0807; B60P7/0815; B64; B64C; B64C1/00; B64C1/18; B64C1/20; B64D; B64D9/00; B64D9/003; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4773
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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |