US1566943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric impervious to petroleum hydrocarbon vapors
Assignee: Standard Oil Co
•
Filing: 1923-06-27
•
Granted: 1925-12-22
•
Expires: 1943-06-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Wilson
- 👤 Eugene P Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/15; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107
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) | 1928-12-21 | 1929-06-22 | 1929-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-21 | 1933-06-22 | 1933-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-21 | 1937-06-22 | 1937-12-22 | $7700.00 | Window Closed / Lapsed |