US2638638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor covering and felt base material
Assignee: Sloane Blabon Corp
•
Filing: 1950-04-04
•
Granted: 1953-05-19
•
Expires: 1970-04-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene B Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:30
CPC Classifications
D; D06; D06N; D06N5/00; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31815; Y10T428/31971; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2049; Y10T442/2057; Y10T442/2074
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1739578A
Cited
US1760606A
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US2290741A
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US2295070A
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US2341078A
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US2272144A
Cited
US2458750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |