US1302871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposition of inflammable gases.
Assignee: Individual
•
Filing: 1918-10-19
•
Granted: 1919-05-06
•
Expires: 1938-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred Spice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/64
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) | 1922-05-05 | 1922-11-04 | 1923-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-05-05 | 1926-11-04 | 1927-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-05-05 | 1930-11-04 | 1931-05-06 | $7700.00 | Window Closed / Lapsed |