Patent US3416783A successfully refreshed from Google Patents.
US3416783A
Expired / Lapsed
US
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Rubber-metal spring device
Assignee: FIRGAT SNC
•
Filing: 1966-09-26
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Granted: 1968-12-17
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Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Tondato Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:44
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/08; F16F3/10; F16F3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB497008A
Cited
GB497051A
Cited
US2713483A
Cited
GB816042A
Cited
US2889056A
Cited
FR1261083A
Cited
US3079277A
Cited
US3134585A
Cited
CH373926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |