US2700524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalanced supporting arm
Assignee: Ritter Co Inc
•
Filing: 1951-06-22
•
Granted: 1955-01-25
•
Expires: 1971-06-22
Abstract
No abstract record available.
Inventors
- 👤 Norman E Lauterbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/44; A61B6/4429; A61B6/447; F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/08; F16M11/20; F16M11/2007; F16M11/2014; F16M11/2092; F16M11/24; F16M13/00; F16M13/02; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F16M2200/00; F16M2200/04; F16M2200/044; F16M2200/06; F16M2200/063; F16M2200/065
Claims Analysis
Total Claims: 0
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US2175534A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |