Patent US1549634A successfully refreshed from Google Patents.
US1549634A
Expired / Lapsed
US
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Cutting tool
Assignee: Pratt and Whitney Co Inc
•
Filing: 1922-04-07
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Granted: 1925-08-11
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Expires: 1942-04-07
Abstract
No abstract record available.
Inventors
- 👤 Paul F Vokal
- 👤 Schramm Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:08
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/10; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1938; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T408/85892; Y10T408/85894
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) | 1928-08-10 | 1929-02-09 | 1929-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-08-10 | 1933-02-09 | 1933-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-08-10 | 1937-02-09 | 1937-08-11 | $7700.00 | Window Closed / Lapsed |