Patent US2688183A successfully refreshed from Google Patents.
US2688183A
Expired / Lapsed
US
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Valve seat puller
Assignee: International Motors LLC
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Filing: 1951-01-09
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Granted: 1954-09-07
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Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 Alton F Oberley
- 👤 Albert C Schrimshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:48
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; B25B27/062; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53557; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53887; Y10T29/53987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB195169A
Cited
US1466976A
Cited
US1499032A
Cited
US1776776A
Cited
US2257318A
Cited
US2430847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |