US1837686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing
Assignee: SYNTHETIC PLASTICS Co Inc
•
Filing: 1928-06-21
•
Granted: 1931-12-22
•
Expires: 1948-06-21
Abstract
No abstract record available.
Inventors
- 👤 Spencer George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:05
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/56; B; B65; B65G; B65G19/00; B65G19/14; B65G19/16; B65G19/18; B65G19/22; B65G19/24; B65G19/26; E; E21; E21F; E21F13/00; E21F13/06; E21F13/061; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
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) | 1934-12-21 | 1935-06-22 | 1935-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-21 | 1939-06-22 | 1939-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-21 | 1943-06-22 | 1943-12-22 | $7700.00 | Window Closed / Lapsed |