US1211283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trap.
Assignee: Individual
•
Filing: 1915-04-24
•
Granted: 1917-01-02
•
Expires: 1935-04-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
E; E03; E03F; E03F7/00; E03F7/02; E03F7/04; E03F5/00; E03F5/04; E03F5/042; B; B01; B01D; B01D2201/00; B01D2201/40; B01D2201/4046
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) | 1920-01-02 | 1920-07-03 | 1921-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-02 | 1924-07-03 | 1925-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-02 | 1928-07-03 | 1929-01-02 | $7700.00 | Window Closed / Lapsed |