US2599130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated sheet material
Assignee: Marathon Corp
•
Filing: 1949-09-19
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Granted: 1952-06-03
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Expires: 1969-09-19
Abstract
No abstract record available.
Inventors
- 👤 George G Rumberger
- 👤 Alfred M Heald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:40
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H27/00; D21H27/30; D21H27/32; C08J2301/00; C08J2491/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
A LAMINATED SHEET MATERIAL COMPRISING AT LEAST TWO BASE SHEETS AND A FILM OF WAX INTERCALATED THEREBETWEEN WHICH WAX IS SUBSTANTIALLY NONREACTIVE WITH UREA.
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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |