US3477673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leaning device to reduce fatigue
Assignee: Individual
•
Filing: 1967-02-03
•
Granted: 1969-11-11
•
Expires: 1987-02-03
Abstract
No abstract record available.
Inventors
- 👤 Sigmund Bereday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:55
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/02; A47C9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US530880A
Cited
US1065022A
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US2431669A
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US2757388A
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US2963713A
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US2975435A
Cited
US3141253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |