US2819842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel-operated counting mechanism
Assignee: United States Steel Corp
•
Filing: 1954-08-02
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Granted: 1958-01-14
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Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 John J Adamic
- 👤 Charles P Pettigrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:02
CPC Classifications
G; G06; G06M; G06M7/00; G06M7/02; B; B65; B65G; B65G17/00; B65G17/20; G06M1/00; G06M1/08; G06M1/10; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |