US2890679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid applying and drying apparatus for treating coils
Assignee: AT&T Inc
•
Filing: 1955-07-14
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Granted: 1959-06-16
•
Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Clair C Poulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:06
CPC Classifications
B; B05; B05C; B05C9/00; B05C9/08; B05C9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1141339A
Cited
US1948091A
Cited
US2329024A
Cited
US2529488A
Cited
US2591557A
Cited
US2690731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |