US1280862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Celluloid-like substance and process of making the same.
Assignee: Individual
•
Filing: 1916-12-30
•
Granted: 1918-10-08
•
Expires: 1936-12-30
Abstract
No abstract record available.
Inventors
- 👤 Sadakichi Satow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:05
CPC Classifications
C; C12; C12N; C12N15/00; C12N15/09; C12N15/63; C12N15/79; C12N15/82; C12N15/8241; C12N15/8261; C12N15/8271; C12N15/8279; C12N15/8282; C07; C07K; C07K14/00; C07K14/415
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) | 1921-10-07 | 1922-04-08 | 1922-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-07 | 1926-04-08 | 1926-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-07 | 1930-04-08 | 1930-10-08 | $7700.00 | Window Closed / Lapsed |