Patent US2127387A successfully refreshed from Google Patents.
US2127387A
Expired / Lapsed
US
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Self-locking bumper coupling
Assignee: Individual
•
Filing: 1938-05-23
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Granted: 1938-08-16
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Expires: 1958-05-23
Abstract
No abstract record available.
Inventors
- 👤 Paul L Brattain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/56; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3433; Y10T24/3435
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) | 1941-08-15 | 1942-02-14 | 1942-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-15 | 1946-02-14 | 1946-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-15 | 1950-02-14 | 1950-08-16 | $7700.00 | Window Closed / Lapsed |