US2608192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractor
Assignee: Individual
•
Filing: 1948-06-21
•
Granted: 1952-08-26
•
Expires: 1968-06-21
Abstract
No abstract record available.
Inventors
- 👤 Powis L Heitmeyer
- 👤 Harvey A Leisy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:11
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/12; F16M11/14; A; A61; A61B; A61B17/00; A61B17/02; A61B90/00; A61B90/50; A61G; A61G13/00; A61G13/10; A61G13/101; F16M11/20; F16M11/2007; F16M11/2035; F16M11/2064; F16M11/2078; F16M13/00; F16M13/02; F16M13/022; A61B17/28; A61B17/29; A61B17/2909; A61B2017/2912; A61B2017/2919; A61B2017/2922; F16M2200/00; F16M2200/02; F16M2200/021; F16M2200/022; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32254; Y10T403/32426; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306426A
Cited
US1054488A
Cited
US1440401A
Cited
US1747799A
Cited
US2245252A
Cited
US2238869A
Cited
US2346346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |