US2850093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating apparatus
Assignee: Roto Bag Machine Corp
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Filing: 1955-12-06
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Granted: 1958-09-02
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Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 D Angelo Joseph
- 👤 Nunzio Joseph Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:40
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/08; B26D5/16; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8782; Y10T83/8821; Y10T83/8825; Y10T83/8841; Y10T83/8843; Y10T83/929; Y10T83/9295
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |