US1162455A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1915-03-25
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Granted: 1915-11-30
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Expires: 1935-03-25
Abstract
No abstract record available.
Inventors
- 👤 Adelbert W Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:30
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; C; C02; C02F; C02F2307/00; C02F2307/06
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) | 1918-11-29 | 1919-05-31 | 1919-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-29 | 1923-05-31 | 1923-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-29 | 1927-05-31 | 1927-11-30 | $7700.00 | Window Closed / Lapsed |