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US2469299A
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Cutting and/or marking apparatus
Assignee: Irving Air Chute Co Inc
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Filing: 1945-04-05
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Granted: 1949-05-03
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Expires: 1965-04-05
Abstract
No abstract record available.
Inventors
- 👤 Hatfield John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:03
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/16; B65H20/18; B65H51/00; B65H51/18; D; D06; D06H; D06H1/00; D06H1/02; D06H7/00; D06H7/02; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/4549; Y10T83/4551; Y10T83/463; Y10T83/869; Y10T83/8789; Y10T83/8796
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US141314A
Cited
US581259A
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US1318108A
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US779331A
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US1430089A
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US1765414A
Cited
US1984657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |