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Patent US2337048A successfully refreshed from Google Patents.
US2337048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading apparatus
Assignee: Pangborn Corp
•
Filing: 1941-09-03
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Granted: 1943-12-21
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Expires: 1961-09-03
Abstract
No abstract record available.
Inventors
- 👤 Robert B Huyett
- 👤 Charles M Gossard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/083
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) | 1946-12-20 | 1947-06-21 | 1947-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-20 | 1951-06-21 | 1951-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-20 | 1955-06-21 | 1955-12-21 | $7700.00 | Window Closed / Lapsed |