Patent US2672067A successfully refreshed from Google Patents.
US2672067A
Expired / Lapsed
US
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Electromechanical controlling and counting system
Assignee: Individual
•
Filing: 1950-02-02
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Granted: 1954-03-16
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Marjorie B Hansell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T74/00; Y10T74/13; Y10T74/131; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |