US3529797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting stands for instruments
Assignee: POLAR HYDRAULICS Ltd
•
Filing: 1968-04-15
•
Granted: 1970-09-22
•
Expires: 1988-04-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur Street
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/40; A; A61; A61B; A61B50/00; A61B50/20; A61B17/00; A61B17/28; A61B17/29; A61B2017/2901; A61B2017/2905; A61B90/00; A61B90/50; F16M2200/00; F16M2200/02; F16M2200/021; F16M2200/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US870429A
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US1519308A
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US1614221A
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US1721363A
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US1871518A
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CH185266A
Cited
US2510198A
Cited
DE816352C
Cited
US3168274A
Cited
GB1093371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |