US2589271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism for perforator matrix elements
Assignee: Cummins Chicago Corp
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Filing: 1946-11-09
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Granted: 1952-03-18
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Expires: 1966-11-09
Abstract
No abstract record available.
Inventors
- 👤 Nicholas S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:29
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/36; B41K3/38; B26; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/32; B26F1/36
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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |