US2408682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhering of polyvinyl alcohol compositions to other materials
Assignee: Resistoflex Corp
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Filing: 1944-12-28
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Granted: 1946-10-01
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Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 Porter Charles Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:29
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; B32; B32B; B32B27/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/387
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) | 1949-09-30 | 1950-04-01 | 1950-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-30 | 1954-04-01 | 1954-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-30 | 1958-04-01 | 1958-10-01 | $7700.00 | Window Closed / Lapsed |