US2121211A
Expired / Lapsed
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Assignee: Cannon & Co
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Filing: 1935-09-30
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Granted: 1938-06-21
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Expires: 1955-09-30
Abstract
No abstract record available.
Inventors
- 👤 Padva Philip
- 👤 Lloyd J Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:31
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/28; G01D5/30; G01D5/305; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/124; G05B2219/00; G05B2219/20; G05B2219/23; G05B2219/23202; Y; Y10; Y10S; Y10S33/00; Y10S33/03; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584
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) | 1941-06-20 | 1941-12-20 | 1942-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-20 | 1945-12-20 | 1946-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-20 | 1949-12-20 | 1950-06-21 | $7700.00 | Window Closed / Lapsed |