US2196000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam drive
Assignee: General Electric Co
•
Filing: 1938-06-01
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Granted: 1940-04-02
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Expires: 1958-06-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:33
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/20; B; B65; B65H; B65H18/00; B65H18/08; B65H18/14; B65H18/16; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/1955; B65H54/00; B65H54/02; B65H54/40; B65H54/52; D02; D02H; D02H5/00; B65H2701/00; B65H2701/30; B65H2701/31
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) | 1943-04-02 | 1943-10-02 | 1944-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-02 | 1947-10-02 | 1948-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-02 | 1951-10-02 | 1952-04-02 | $7700.00 | Window Closed / Lapsed |