US2416753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance for ramps and like pivoted members
Assignee: Individual
•
Filing: 1945-06-22
•
Granted: 1947-03-04
•
Expires: 1965-06-22
Abstract
No abstract record available.
Inventors
- 👤 Hicks Albertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14; B63B27/143; Y; Y10; Y10S; Y10S16/00; Y10S16/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US629290A
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US1243526A
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US1384153A
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US1351867A
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US1813078A
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US2033035A
Cited
US2364901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |