US2489170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition for paper
Assignee: Stancal Asphalt and Bitumuls Co
•
Filing: 1944-03-07
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Granted: 1949-11-22
•
Expires: 1964-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard C Wooster
- 👤 Earl E Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
C; C09; C09J; C09J195/00; C09J195/005; C08; C08L; C08L95/00; C09J103/00; C09J103/02; C09J161/00; C09J161/20; C09J161/22; C09J161/24; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31971; Y10T428/31975
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |