Patent US2987106A successfully refreshed from Google Patents.
US2987106A
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Method and machine for forming edge seals on bags
Assignee: Amsco Packaging Machinery Inc
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Filing: 1957-09-04
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Granted: 1961-06-06
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Expires: 1977-09-04
Abstract
No abstract record available.
Inventors
- 👤 John D Sylvester
- 👤 Edwin E Messmer
- 👤 Jr John D Keenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:57
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/78; B29C65/7858; B29C65/7861; B29C65/787; B29C65/7873; B29C65/02; B29C65/18; B29C65/74; B29C65/743; B29C65/7435; B29C65/749; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/84; B29C66/849; B65; B65B; B65B51/00; B65B51/10; B65B51/16; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T83/00; Y10T83/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1841539A
Cited
US2265359A
Cited
US2185647A
Cited
US2423237A
Cited
US2484641A
Cited
US2697473A
Cited
US2627213A
Cited
GB696398A
Cited
US2699198A
Cited
US2676444A
Cited
US2641304A
Cited
US2762420A
Cited
US2800162A
Cited
US2714416A
Cited
US2913863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |