US2702591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dickey
Assignee: —
•
Filing: —
•
Granted: 1955-02-22
•
Expires: 1972-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:27
CPC Classifications
F; F23; F23N; F23N1/00; F23K; F23K5/00; F23K5/02; F23K5/04; F23N1/005; F23N2235/00; F23N2235/12; F23N2235/14; F23N2235/16; F23N2235/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703; Y10T137/2705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1425338A
Cited
US1683371A
Cited
US1762133A
Cited
US1824952A
Cited
US2115665A
Cited
US2334679A
Cited
US2290350A
Cited
US2616254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |