US2487265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counting apparatus
Assignee: PRODUCTION INSTR Co
•
Filing: 1943-06-09
•
Granted: 1949-11-08
•
Expires: 1963-06-09
Abstract
No abstract record available.
Inventors
- 👤 Martin L Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:45
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M3/00; G06M3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2326675A
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US2434948A
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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) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |