US2984413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed electric pulse counter and relay mechanism
Assignee: Mannesmann Tally Corp
•
Filing: 1957-09-18
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Granted: 1961-05-16
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Expires: 1977-09-18
Abstract
No abstract record available.
Inventors
- 👤 Philip E Renshaw
- 👤 Stewart D Barger
- 👤 Jr Carl B Crumb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:14
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1455763A
Cited
US1577944A
Cited
US2172328A
Cited
US2770416A
Cited
US2700076A
Cited
US2796830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |