US2932264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoker
Assignee: Individual
•
Filing: 1954-06-25
•
Granted: 1960-04-12
•
Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 Hurst John Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:41
CPC Classifications
F; F23; F23B; F23B30/00; F23B30/02; F23B30/06; F23H; F23H7/00; F23J; F23J1/00; F23B2700/00; F23B2700/011; F23J2700/00; F23J2700/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |