US1907617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of rubber bonded asbestos
Assignee: Dewey and Almy Chemical Co
•
Filing: 1931-04-17
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Granted: 1933-05-09
•
Expires: 1951-04-17
Abstract
No abstract record available.
Inventors
- 👤 George R Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:36
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/04; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |