US2568906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer
Assignee: Individual
•
Filing: 1948-06-09
•
Granted: 1951-09-25
•
Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Jesse D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:21
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290626A
Cited
US2240463A
Cited
US2310468A
Cited
US2239234A
Cited
US2396308A
Cited
US2421481A
Cited
US2432346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |