Patent US1997694A successfully refreshed from Google Patents.
US1997694A
Expired / Lapsed
US
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Basing machine
Assignee: EISLER ELECTRIC Corp
•
Filing: 1930-05-12
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Granted: 1935-04-16
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Expires: 1950-05-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Morick
- 👤 Kenneth P Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/30; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6566
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) | 1938-04-15 | 1938-10-15 | 1939-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-15 | 1942-10-15 | 1943-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-15 | 1946-10-15 | 1947-04-16 | $7700.00 | Window Closed / Lapsed |