US2641119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ageing or reducing apparatus
Assignee: —
•
Filing: —
•
Granted: 1953-06-09
•
Expires: 1970-06-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1403990A
Cited
US1807580A
Cited
US1861624A
Cited
US1387072A
Cited
US1663846A
Cited
US1764089A
Cited
GB457952A
Cited
CH242143A
Cited
US2396908A
Cited
US2445504A
Cited
US2485710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |