Patent US2714928A successfully refreshed from Google Patents.
US2714928A
Expired / Lapsed
US
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Selectively operated punches mounted in an airtight compartment
Assignee: Individual
•
Filing: 1952-01-30
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Granted: 1955-08-09
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Expires: 1972-01-30
Abstract
No abstract record available.
Inventors
- 👤 Rotkin Israel
- 👤 Rabinow Jacob
- 👤 Joseph A Guarracini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/02; B; B21; B21D; B21D28/00; B21D28/24; B26; B26D; B26D5/00; B26D5/08; B26D5/12; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1070480A
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US2049003A
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US2198514A
Cited
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US2582645A
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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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |