US2389105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple perforator
Assignee: ACCO PRODUCTS Inc
•
Filing: 1944-05-12
•
Granted: 1945-11-13
•
Expires: 1964-05-12
Abstract
No abstract record available.
Inventors
- 👤 Kern Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:55
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; B26F1/02; B26F1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/222; Y10T83/869; Y10T83/8742; Y10T83/8743; Y10T83/8821; Y10T83/8841
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) | 1948-11-12 | 1949-05-14 | 1949-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-12 | 1953-05-14 | 1953-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-12 | 1957-05-14 | 1957-11-13 | $7700.00 | Window Closed / Lapsed |