US2932583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of impregnating a microporous article
Assignee: Individual
•
Filing: 1956-10-12
•
Granted: 1960-04-12
•
Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ciro L Grana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; B05D3/0493; B05D3/10; B05D3/102; B05D2202/00; B05D3/02; B05D3/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2123152A
Cited
US2095198A
Cited
US2125827A
Cited
GB551559A
Cited
US2457657A
Cited
US2599943A
Cited
US2684307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |