Patent US2038157A successfully refreshed from Google Patents.
US2038157A
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US
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Charge forming device
Assignee: Motors Liquidation Co
•
Filing: 1927-09-22
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Granted: 1936-04-21
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Expires: 1947-09-22
Abstract
No abstract record available.
Inventors
- 👤 Fred E Aseltine
- 👤 Carl H Kindl
- 👤 Wilford H Teeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:51
CPC Classifications
F; F02; F02M; F02M21/00; F02M2700/00; F02M2700/13; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
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) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |