Patent US2167278A successfully refreshed from Google Patents.
US2167278A
Expired / Lapsed
US
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Fireproofing composition
Assignee: Individual
•
Filing: 1935-11-20
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Granted: 1939-07-25
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Expires: 1955-11-20
Abstract
No abstract record available.
Inventors
- 👤 Leatherman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/46; D06M11/48; D06M11/485; D06M13/00; D06M13/08; D06M15/00; D06M15/19; D06M15/21; D06M15/244
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) | 1942-07-24 | 1943-01-23 | 1943-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-24 | 1947-01-23 | 1947-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-24 | 1951-01-23 | 1951-07-25 | $7700.00 | Window Closed / Lapsed |