US2554988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for laminating materials
Assignee: Alton Box Board Co
•
Filing: 1946-12-23
•
Granted: 1951-05-29
•
Expires: 1966-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert F Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:50
CPC Classifications
B; B32; B32B; B32B27/00; B30; B30B; B30B5/00; B30B5/04; B30B5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US408578A
Cited
US1999151A
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US2046047A
Cited
US2152732A
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US2158675A
Cited
US2303087A
Cited
US2371926A
Cited
US2423138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |