US2905149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary tool construction
Assignee: Gardner Denver Inc
•
Filing: 1957-03-28
•
Granted: 1959-09-22
•
Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 Roger I Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/06; Y; Y10; Y10S; Y10S415/00; Y10S415/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US775863A
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US2569244A
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US2499708A
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US2561726A
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US2476632A
Cited
US2570009A
Cited
US2580607A
Cited
US2830560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |