Patent US2819660A successfully refreshed from Google Patents.
US2819660A
Expired / Lapsed
US
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Carton folding and locking machine
Assignee: Individual
•
Filing: 1954-10-07
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Granted: 1958-01-14
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Johnson Al
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:43
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/44; B31B50/46; B31B50/48; B31B50/60; B31B50/73; B31B50/732; B31B50/734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1025880A
Cited
US1115822A
Cited
US1212182A
Cited
US1906283A
Cited
US2653524A
Cited
US2655843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |