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US2894697A
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Assignee: Blower Application Co Inc
•
Filing: 1958-01-09
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Granted: 1959-07-14
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Martin H Panning
- 👤 Bruce R Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/08; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/329; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |