US2542967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic tube locking means
Assignee: PAUL BENNINGHOFEN AND ELEANOR
•
Filing: 1947-07-12
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Granted: 1951-02-20
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Expires: 1967-07-12
Abstract
No abstract record available.
Inventors
- 👤 Harry J Waechter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:34
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1445; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10S; Y10S411/00; Y10S411/904; Y10S411/907; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/1066; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |