US1819032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of inner tubes
Assignee: Fisk Rubber Co
•
Filing: 1926-11-01
•
Granted: 1931-08-18
•
Expires: 1946-11-01
Abstract
No abstract record available.
Inventors
- 👤 Paul W Lehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:20
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/261; B65G47/266; B29; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-08-17 | 1935-02-16 | 1935-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-17 | 1939-02-16 | 1939-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-17 | 1943-02-16 | 1943-08-18 | $7700.00 | Window Closed / Lapsed |