US2909221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating, printing and punching machine
Assignee: SIMPLAU Corp OF AMERICA
•
Filing: 1956-02-27
•
Granted: 1959-10-20
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:28
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B26F1/02; B26F1/04; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8752; Y10T83/8758
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |