US3173245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Standard Thomson Corp
•
Filing: 1963-03-04
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Granted: 1965-03-16
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Wayne H Schutmaat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:14
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/025; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/06114; F16B; F16B1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
LOCKING APPARATUS COMPRISING: A CONTAINER, AN AXIALLY MOVABLE SHAFT EXTENDING THROUGH THE CONTAINER, A QUANTITY OF THERMALLY RESPONSIVE EXPANSIBLE-CONTRACTIBLE MATERIAL WITHIN THE CONTAINER AND OPERABLE BY EXPANSION TO FILL ALL AVAILABLE SPACE WITHIN THE CONTAINER AND APPLY PRESSURE WITHIN THE CONTAINER AND UPON THE SHAFT, SUCH PRESSURE SECURING THE SHAFT AGAINST MOVEMENT WITH RESPECT TO THE CONTAINER.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |