US1445938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support
Assignee: JOHN S CARROLL
•
Filing: 1919-07-12
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Granted: 1923-02-20
•
Expires: 1939-07-12
Abstract
No abstract record available.
Inventors
- 👤 Farrington Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:47
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1812; F; F16; F16B; F16B37/00; F16B37/12; E04H; E04H12/00; E04H12/24
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) | 1926-02-19 | 1926-08-21 | 1927-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-02-19 | 1930-08-21 | 1931-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-02-19 | 1934-08-21 | 1935-02-20 | $7700.00 | Window Closed / Lapsed |