US2402870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture vapor-proofing material
Assignee: H P SMITH PAPER Co
•
Filing: 1943-07-08
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Granted: 1946-06-25
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Expires: 1963-07-08
Abstract
No abstract record available.
Inventors
- 👤 Lothian M Burgess
- 👤 Abson Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:30
CPC Classifications
C; C09; C09J; C09J191/00; C09J191/06; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/046; C08J7/048; C08J7/052; C09J193/00; C09J193/04; C08J2301/00; C08J2491/00; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-06-24 | 1949-12-24 | 1950-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-24 | 1953-12-24 | 1954-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-24 | 1957-12-24 | 1958-06-25 | $7700.00 | Window Closed / Lapsed |