US2774077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat and wear resisting material and article formed thereof
Assignee: Individual
•
Filing: 1953-10-15
•
Granted: 1956-12-18
•
Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Charles K Pressler
- 👤 John H Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:27
CPC Classifications
A; A41; A41D; A41D31/00; A41D31/04; A41D31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US599191A
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US1381218A
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US2428591A
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US2660736A
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US2450047A
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US2656586A
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US2703774A
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US2607042A
Cited
US2642571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |