US2184348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating apparatus
Assignee: Unifrax I LLC
•
Filing: 1932-10-27
•
Granted: 1939-12-26
•
Expires: 1952-10-27
Abstract
No abstract record available.
Inventors
- 👤 Henry P Kirchner
- 👤 Romie L Melton
- 👤 Raymond C Benner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:34
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005; Y; Y10; Y10S; Y10S101/00; Y10S101/37
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) | 1942-12-25 | 1943-06-26 | 1943-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-25 | 1947-06-26 | 1947-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-25 | 1951-06-26 | 1951-12-26 | $7700.00 | Window Closed / Lapsed |