US2902826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power system
Assignee: FJ Littell Machine Co
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Filing: 1956-06-06
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Granted: 1959-09-08
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Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Littell
- 👤 Chester M Wiig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:52
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4043; F15; F15B; F15B11/00; F15B11/08; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20507; F15B2211/20515; F15B2211/2053; F15B2211/20538; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/30575; F15B2211/32; F15B2211/327; F15B2211/329; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/50536; F15B2211/515; F15B2211/5157; F15B2211/5159; F15B2211/52; F15B2211/528; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/705; F15B2211/7058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |