US2291754A
Expired / Lapsed
US
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Delivery apparatus
Assignee: Interchemical Corp
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Filing: 1941-05-05
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Granted: 1942-08-04
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Expires: 1961-05-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/24; B65H29/00; B65H29/58; B65H29/585; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/176; Y; Y10; Y10S; Y10S271/00; Y10S271/90; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/16; Y10T225/30; Y10T225/393; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0462; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/2074; Y10T83/2083; Y10T83/2085; Y10T83/465; Y10T83/4714; Y10T83/4717; Y10T83/4766; Y10T83/4795
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-08-03 | 1946-02-02 | 1946-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-03 | 1950-02-02 | 1950-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-03 | 1954-02-02 | 1954-08-04 | $7700.00 | Window Closed / Lapsed |