Patent GB549680A successfully refreshed from Google Patents.
US2561577A
Expired / Lapsed
US
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Pneumatic impact puller and the like
Assignee: Snap On Inc
•
Filing: 1947-08-01
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Granted: 1951-07-24
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Knudsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/06; B25B; B25B27/00; B25B27/02; B25B27/026; B25D2250/00; B25D2250/171; Y; Y10; Y10S; Y10S29/00; Y10S29/046; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383; Y10T29/53839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US513362A
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US618324A
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US1292429A
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US1457841A
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US1506219A
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US1581057A
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US1828252A
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US2424681A
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US2421324A
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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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |