Patent US2184420A successfully refreshed from Google Patents.
US2184420A
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US
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Transfer mechanism for counting and computing mechanism
Assignee: Avery Hardoll Ltd
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Filing: 1938-07-02
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Granted: 1939-12-26
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Expires: 1958-07-02
Abstract
No abstract record available.
Inventors
- 👤 Fraser John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:20
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/14; G06M1/16; G06M1/163; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/1987; Y10T74/19874
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) | 1942-12-25 | 1943-06-26 | 1943-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-25 | 1947-06-26 | 1947-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-25 | 1951-06-26 | 1951-12-26 | $7700.00 | Window Closed / Lapsed |