US2062997A
Expired / Lapsed
US
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Variable gearing for computing mechanism
Assignee: JOHN WOOD MANUFACTURING COMPANY Inc
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Filing: 1935-02-14
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Granted: 1936-12-01
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Expires: 1955-02-14
Abstract
No abstract record available.
Inventors
- 👤 Einar M Orbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:45
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08
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) | 1939-12-01 | 1940-06-01 | 1940-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-01 | 1944-06-01 | 1944-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-01 | 1948-06-01 | 1948-12-01 | $7700.00 | Window Closed / Lapsed |