Patent US3391839A successfully refreshed from Google Patents.
US3391839A
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US
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Method and apparatus for packaging shirts
Assignee: NATIONAL PACKAGING PRODUCTS
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Filing: 1964-08-27
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Granted: 1968-07-09
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Gwinn M Benjamin
- 👤 Earl P Buchmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:28
CPC Classifications
D; D06; D06F; D06F89/00; D06F89/02; D06F89/023; B; B65; B65B; B65B25/00; B65B25/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130733A
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US2616594A
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US2568260A
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US2687832A
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US2737765A
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US2758761A
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GB835289A
Cited
US3057133A
Cited
US3148807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |