US2481167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle control device
Assignee: Individual
•
Filing: 1948-05-20
•
Granted: 1949-09-06
•
Expires: 1968-05-20
Abstract
No abstract record available.
Inventors
- 👤 Siever Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:58
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528; Y10T74/20534; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20678
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) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |