Patent US3890049A successfully refreshed from Google Patents.
Patent US2529415A successfully refreshed from Google Patents.
US2529415A
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US
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Control apparatus
Assignee: Old Carco LLC
•
Filing: 1944-04-21
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Granted: 1950-11-07
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Expires: 1964-04-21
Abstract
No abstract record available.
Inventors
- 👤 Hubert S Phelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:50
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F02; F02D; F02D29/00; F02D2700/00; F02D2700/07; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |