US2675064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically swinging footrest structure
Assignee: Individual
•
Filing: 1949-06-15
•
Granted: 1954-04-13
•
Expires: 1969-06-15
Abstract
No abstract record available.
Inventors
- 👤 Matilda D Welsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/50; A47C7/506; A47C7/5066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US301901A
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US579499A
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US603712A
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US792207A
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US1437060A
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US1675547A
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CH205484A
Cited
US2370890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |