US3211477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device
Assignee: RTX Corp
•
Filing: 1962-10-25
•
Granted: 1965-10-12
•
Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Laverne D Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CLAMPING DEVICE FOR SECURING TOGETHER THE PERIPHERAL FLANGES OF TWO LIQUID-METAL-CONTAINING MEMBERS, SAID FLANGES HAVING MUTUALLY ENGAGING SURFACES, COMPRISING A CLAMPING MEMBER IN THE FORM OF A LEVER EXTENDING ACROSS AND GENERALLY PARALLEL TO THE AREA OF ENGAGEMENT OF SAID SURFACES, SAID CLAMPING MEMBER HAVING A FULCRUM COMPRISING A PIVOTAL CONNECTION AT ONE OF ITS ENDS WITH ONE OF SAID FLANGED MEMBERS AND A BOLTED CONNECTION AT ITS OTHER END WITH THE OTHER FLANGED MEMBER FOR APPLYING
Claim 2
Dependent Claim
78 words
A CLAMPING DEVICE FOR SECURING TOGETHER THE PERIPHERAL FLANGES OF TWO LIQUID-METAL-CONTAINING MEMBERS, SAID FLANGES HAVING MUTUALLY ENGAGING SURFACES, COMPRISING A CLAMPING MEMBER IN THE FORM OF A LEVER EXTENDING ACROSS AND GENERALLY PARALLEL TO THE AREA OF ENGAGEMENT OF SAID SURFACES, SAID CLAMPING MEMBER HAVING A FULCRUM COMPRISING A PIVOTAL CONNECTION AT ONE OF ITS ENDS WITH ONE OF SAID FLANGED MEMBERS AND A BOLTED CONNECTION AT ITS OTHER END WITH THE OTHER FLANGED MEMBER FOR APPLYING
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |