US2592576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch control
Assignee: Borg Warner Corp
•
Filing: 1944-09-07
•
Granted: 1952-04-15
•
Expires: 1964-09-07
Abstract
No abstract record available.
Inventors
- 👤 Donald W Kelbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/12; F16D; F16D48/00; F16D48/02; F16D48/04; F16D48/06; F16D48/066; F16D2048/0221; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1026; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/10443; F16D2500/1045; F16D2500/30; F16D2500/314; F16D2500/31406; F16D2500/3144; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70404; F16D2500/7041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729173A
Cited
US2071983A
Cited
US1993015A
Cited
US2049738A
Cited
US2114221A
Cited
US2426064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |