US2127960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for perforating
Assignee: MILPRINT PRODUCTS Corp
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Filing: 1936-12-07
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Granted: 1938-08-23
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Expires: 1956-12-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/08; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0419; Y10T83/0433; Y10T83/0438; Y10T83/0448; Y10T83/0476; Y10T83/0486; Y10T83/202; Y10T83/2074; Y10T83/343; Y10T83/566; Y10T83/5669; Y10T83/869; Y10T83/8752
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |