US2259636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1939-05-24
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Granted: 1941-10-21
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Expires: 1959-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ferris T Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:20
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/046; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/315; F15B2211/31523; F15B2211/31529; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/325; F15B2211/327; F15B2211/35; F15B2211/353; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/71; F15B2211/7107; F15B2211/75; F15B2211/77; F15B2211/7716
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-10-20 | 1945-04-21 | 1945-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-20 | 1949-04-21 | 1949-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-20 | 1953-04-21 | 1953-10-21 | $7700.00 | Window Closed / Lapsed |