US2714771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-ply paper foot covering
Assignee: Individual
•
Filing: 1951-05-16
•
Granted: 1955-08-09
•
Expires: 1971-05-16
Abstract
No abstract record available.
Inventors
- 👤 Ruth G Olfene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:18
CPC Classifications
A; A41; A41B; A41B11/00; A41B2400/00; A41B2400/60; A41D; A41D2500/00; A41D2500/40; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212866A
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US305219A
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US988159A
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US1458918A
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US1533668A
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US1906671A
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US1838118A
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US2220722A
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US2276582A
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US2465911A
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US2463296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |