Patent US2236281A successfully refreshed from Google Patents.
US2236281A
Expired / Lapsed
US
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Anchor mechanism
Assignee: General Electric Co
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Filing: 1940-02-07
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Granted: 1941-03-25
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Expires: 1960-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert G Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:22
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; B62B5/049; B60; B60S; B60S9/00; B60S9/02; B60S9/04; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-03-24 | 1944-09-23 | 1945-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-24 | 1948-09-23 | 1949-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-24 | 1952-09-23 | 1953-03-25 | $7700.00 | Window Closed / Lapsed |