Patent US3515382A successfully refreshed from Google Patents.
US3515382A
Expired / Lapsed
US
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Compression spring
Assignee: RICHARD J GALLAGHER
•
Filing: 1968-08-30
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Granted: 1970-06-02
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Expires: 1988-08-30
Abstract
No abstract record available.
Inventors
- 👤 Richard J Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:29
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/40; F16F1/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2819060A
Cited
US3086765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |