US1815413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fender
Assignee: Individual
•
Filing: 1930-04-18
•
Granted: 1931-07-21
•
Expires: 1950-04-18
Abstract
No abstract record available.
Inventors
- 👤 Henry W Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:43
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/20; E02B3/26; Y; Y02; Y02A; Y02A30/00; Y02A30/30
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) | 1934-07-20 | 1935-01-19 | 1935-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-20 | 1939-01-19 | 1939-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-20 | 1943-01-19 | 1943-07-21 | $7700.00 | Window Closed / Lapsed |