US2480883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: —
•
Filing: —
•
Granted: 1949-09-06
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE243211C
Cited
US1683371A
Cited
US1884256A
Cited
FR642180A
Cited
US1811378A
Cited
US2009823A
Cited
US2159284A
Cited
US2083612A
Cited
US2129526A
Cited
US2073676A
Cited
FR850923A
Cited
US2300011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |