Patent US2277084A successfully refreshed from Google Patents.
US2277084A
Expired / Lapsed
US
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Burnishing tool for gear blanks
Assignee: Devlieg Bullard Inc
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Filing: 1938-05-11
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Granted: 1942-03-24
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Expires: 1958-05-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Drissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:01
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/02; Y; Y10; Y10S; Y10S29/00; Y10S29/026; Y10T; Y10T29/00; Y10T29/47; Y10T29/477; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49478; Y10T29/49995; Y10T29/49996; Y10T29/51; Y10T29/5178
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) | 1945-03-23 | 1945-09-22 | 1946-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-23 | 1949-09-22 | 1950-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-23 | 1953-09-22 | 1954-03-24 | $7700.00 | Window Closed / Lapsed |