Patent US2963691A successfully refreshed from Google Patents.
US794581A
Expired / Lapsed
US
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Making compounds of nitrocellulose or similar substances.
Assignee: Individual
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Filing: 1904-01-16
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Granted: 1905-07-11
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Expires: 1924-01-16
Abstract
No abstract record available.
Inventors
- 👤 David Bachrach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:24
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C08; C08L; C08L1/00; C08L1/08; C08L1/16; C08L1/18; C04; C04B; C04B2111/00; C04B2111/20; C04B2111/28
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) | 1908-07-10 | 1909-01-09 | 1909-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-07-10 | 1913-01-09 | 1913-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-07-10 | 1917-01-09 | 1917-07-11 | $7700.00 | Window Closed / Lapsed |