Patent US1789830A successfully refreshed from Google Patents.
US791503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of printing upon pyroxylin materials.
Assignee: Whitehead & Hoag Co
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Filing: 1900-05-25
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Granted: 1905-06-06
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Expires: 1920-05-25
Abstract
No abstract record available.
Inventors
- 👤 Richard E Roehm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:39
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/005; B05; B05D; B05D5/00; B05D5/06; B05D5/061
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) | 1908-06-05 | 1908-12-05 | 1909-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-06-05 | 1912-12-05 | 1913-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-06-05 | 1916-12-05 | 1917-06-06 | $7700.00 | Window Closed / Lapsed |