Patent US2688356A successfully refreshed from Google Patents.
US2688356A
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Multiple unit laminating apparatus
Assignee: Akzo Nobel UK PLC
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Filing: 1951-08-03
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Granted: 1954-09-07
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Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
- 👤 John D Conti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:35
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/04; B26; B26D; B26D3/00; B26D3/16; B26D3/161; B32B37/00; B32B37/12; B32B37/1284; B32B37/1292; B65; B65H; B65H35/00; B65H35/02; B65H39/00; B65H39/16; D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1067; Y10T156/12; Y10T156/1317; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724; Y10T156/1727; Y10T83/00; Y10T83/04; Y10T83/0524
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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |