US2683034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber compression spring
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1949-12-08
•
Granted: 1954-07-06
•
Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Seddon Robert Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:42
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/44; F16F1/445; B; B62; B62K; B62K25/00; B62K25/04; B62K25/06; B62K2201/00; B62K2201/02; F16F2236/00; F16F2236/04; F16F2236/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352470A
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US1602922A
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US1713515A
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US1829280A
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US1930098A
Cited
US2263599A
Cited
FR872359A
Cited
US2445723A
Cited
GB592722A
Cited
GB594749A
Cited
US2468311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |