US2893270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machine
Assignee: Bendix Aviation Corp
•
Filing: 1957-12-09
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Granted: 1959-07-07
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Hodgson
- 👤 Warren E Breit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/20; B23B39/205; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/36; Y10T408/37; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |