Patent US2660845A successfully refreshed from Google Patents.
US2660845A
Expired / Lapsed
US
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Machine for preparing fusees
Assignee: 225 ENTERPRISES Inc
•
Filing: 1949-08-23
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Granted: 1953-12-01
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Expires: 1969-08-23
Abstract
No abstract record available.
Inventors
- 👤 Francis R Clark
- 👤 Jr Carl J West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:54
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/30; B; B65; B65B; B65B11/00; B65B11/06; B65B11/38; B65B11/40; B65B11/42; F42B33/00; F42B33/02; F42B33/0207
Claims Analysis
Total Claims: 0
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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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |