US3412925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat bottom multi-ply bag
Assignee: Albemarle Paper Manufacturing Co
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Filing: 1967-12-13
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Granted: 1968-11-26
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Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Shirley H Booth
- 👤 John C Lepisto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:19
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B70/74; B31B70/81; B31B70/84; B31B70/85; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/106; B31B2160/20; B31B2170/00; B31B2170/20
Claims Analysis
Total Claims: 0
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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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |