Patent US2842356A successfully refreshed from Google Patents.
US2842356A
Expired / Lapsed
US
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Liquid spring
Assignee: WALES STRIPPIT CORP
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Filing: 1955-04-14
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Granted: 1958-07-08
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Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Paul H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:32
CPC Classifications
F; F16; F16F; F16F5/00; F41; F41A; F41A27/00; F41A27/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732898A
Cited
US2346667A
Cited
DE849044C
Cited
US2691518A
Cited
US2723847A
Cited
FR1071752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |