US2693221A
Expired / Lapsed
US
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Method and apparatus for making laminated materials
Assignee: Briggs Manufacturing Co
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Filing: 1951-06-22
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Granted: 1954-11-02
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Expires: 1971-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lyijynen Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:28
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/26; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/20; B29C66/24; B29C66/242; B29C66/40; B29C66/41; B29C66/43; B29C66/436; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/818; B29C66/8181; B29C66/81811; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/349; B29C66/3492; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504
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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |