Patent US3061058A successfully refreshed from Google Patents.
US2253531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio shielded ignition
Assignee: TITEFLEX METAL HOSE CO
•
Filing: 1939-10-02
•
Granted: 1941-08-26
•
Expires: 1959-10-02
Abstract
No abstract record available.
Inventors
- 👤 Melville F Peters
- 👤 Stone R Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:04
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/06; F02P7/063; F02P7/0638; F02P7/02; F02P7/021; F02P7/025; H; H01; H01T; H01T13/00; H01T13/02; H01T13/04; H01T13/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1944-08-25 | 1945-02-24 | 1945-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-25 | 1949-02-24 | 1949-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-25 | 1953-02-24 | 1953-08-26 | $7700.00 | Window Closed / Lapsed |