US2480403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission
Assignee: Oilgear Co
•
Filing: 1944-08-28
•
Granted: 1949-08-30
•
Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:14
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20546; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/325; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41554; F15B2211/46; F15B2211/50; F15B2211/505; F15B2211/50554; F15B2211/515; F15B2211/5156; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/75
Claims Analysis
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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) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |