Patent US5008729A successfully refreshed from Google Patents.
Patent US3040712A successfully refreshed from Google Patents.
US3040712A
Expired / Lapsed
US
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Cylinder, piston and rod assembly
Assignee: FIRCO Inc
•
Filing: 1959-04-17
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Granted: 1962-06-26
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Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert E Harrah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:09
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F15; F15B; F15B2215/00; F15B2215/30; F15B2215/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |