US2835238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger system for internal combustion engines
Assignee: Mcculloch Motors Corp
•
Filing: 1955-01-17
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Granted: 1958-05-20
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 John W Oehrli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0256; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H63/00; F16H63/02; F16H63/04; F16H63/06; F16H63/065
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |