US2974571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton forming and lining machine
Assignee: Peters Machinery Co
•
Filing: 1956-04-09
•
Granted: 1961-03-14
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Robert F Windstrup
- 👤 Boehler Joseph
- 👤 Schneider Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B2105/00; B31B2120/00; B31B2120/40; B31B50/26; B31B50/44; B31B50/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993605A
Cited
US2116362A
Cited
US2135409A
Cited
US2394935A
Cited
US2515621A
Cited
US2813465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |