Patent US2844930A successfully refreshed from Google Patents.
US2844930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton closing apparatus
Assignee: Waldorf Paper Products Co
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Filing: 1957-02-11
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Granted: 1958-07-29
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Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Iver L Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:38
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20; B65B7/24
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) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |