US2774592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing mechanism to divide sheets proportionately
Assignee: American Machine and Metals Inc
•
Filing: 1952-10-02
•
Granted: 1956-12-18
•
Expires: 1972-10-02
Abstract
No abstract record available.
Inventors
- 👤 Esther E Kagan
- 👤 Zena S Kagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:22
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/02; B65H45/04; B26; B26D; B26D5/00; B26D5/20; B26D5/30; B26D5/32; B26D5/38; D; D06; D06F; D06F89/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1376426A
Cited
US1687654A
Cited
US2291487A
Cited
US2458544A
Cited
US2643879A
Cited
US2659598A
Cited
US2652246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |