US2774129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic felts
Assignee: Kendall Co
•
Filing: 1950-11-06
•
Granted: 1956-12-18
•
Expires: 1970-11-06
Abstract
No abstract record available.
Inventors
- 👤 Horace A Secrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/04; D04H1/06; Y; Y10; Y10S; Y10S8/00; Y10S8/10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2909; Y10T442/00; Y10T442/50; Y10T442/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2181043A
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US2395371A
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US2277049A
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GB547288A
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US2348079A
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US2515834A
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US2476282A
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US2439815A
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US2496873A
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US2602964A
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US2604689A
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 |