US2671267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled blade for cutting plastic covers and the like from patterns
Assignee: ANTON MICHALEK
•
Filing: 1951-09-15
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Granted: 1954-03-09
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Expires: 1971-09-15
Abstract
No abstract record available.
Inventors
- 👤 Harry F Michalek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:51
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/08; B26D7/10; B26F; B26F3/00; B26F3/06; B26F3/08; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227234A
Cited
US1246905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |