US2672197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper-cutting machine
Assignee: Individual
•
Filing: 1950-02-02
•
Granted: 1954-03-16
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Halpern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:09
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D1/10; B26D7/00; B26D7/08; B26D7/086; B26D7/22; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5715; Y10T83/5724; Y10T83/626; Y10T83/637; Y10T83/869; Y10T83/8719; Y10T83/887
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US680655A
Cited
US893166A
Cited
US1502120A
Cited
US1745958A
Cited
US1955004A
Cited
DE645970C
Cited
US2071402A
Cited
US2182136A
Cited
US2230802A
Cited
US2451636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |