Patent US6294953B1 successfully refreshed from Google Patents.
US3333811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocker mechanism
Assignee: WIL MAT CORP
•
Filing: 1965-09-07
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Granted: 1967-08-01
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 John T Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:38
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
ROCKER MECHANISM COMPRISING BASE MEANS INCLUDING A PAIR OF BASE MEMBERS DISPOSED IN FIXED SPACED RELATIONSHIP TO ONE ANOTHER, FOUR SEPARATE AND INDEPENDENT SUPPORT ARMS, A PAIR OF SUPPORT ARMS MEANS BEING PIVOTALLY INTERCONNECTED AT THE LOWER ENDS THEREOF WITH SPACED PORTIONS OF EACH OF SAID BASE MEMBERS, A SUPPORT FRAMEWORK CONNECTED WITH AND SUPPORTED BY THE UPPER ENDS OF SAID SUPPORT ARMS, SAID SUPPORT FRAMEWORK INCLUDING PIVOTALLY SUPPORTED MEANS FOR CONNECTION WITH MEANS TO BE SUPPORTED, AND SPRING MEANS FOR BIASING THE ROCKET MECHANISM TO A NEUTRAL POSITION, SAID SPRING MEANS BEING OPERATIVELY CONNECTED WITH EACH PAIR OF SUPPORT ARMS INTERCONNECTED WITH ONE OF SAID BASE MEMBERS, EACH OF SAID SPRING MEANS BEING DISPOSED BETWEEN THE ASSOCIATED PAIR OF ARMS.
Claim 2
Dependent Claim
121 words
ROCKER MECHANISM COMPRISING BASE MEANS INCLUDING A PAIR OF BASE MEMBERS DISPOSED IN FIXED SPACED RELATIONSHIP TO ONE ANOTHER, FOUR SEPARATE AND INDEPENDENT SUPPORT ARMS, A PAIR OF SUPPORT ARMS MEANS BEING PIVOTALLY INTERCONNECTED AT THE LOWER ENDS THEREOF WITH SPACED PORTIONS OF EACH OF SAID BASE MEMBERS, A SUPPORT FRAMEWORK CONNECTED WITH AND SUPPORTED BY THE UPPER ENDS OF SAID SUPPORT ARMS, SAID SUPPORT FRAMEWORK INCLUDING PIVOTALLY SUPPORTED MEANS FOR CONNECTION WITH MEANS TO BE SUPPORTED, AND SPRING MEANS FOR BIASING THE ROCKET MECHANISM TO A NEUTRAL POSITION, SAID SPRING MEANS BEING OPERATIVELY CONNECTED WITH EACH PAIR OF SUPPORT ARMS INTERCONNECTED WITH ONE OF SAID BASE MEMBERS, EACH OF SAID SPRING MEANS BEING DISPOSED BETWEEN THE ASSOCIATED PAIR OF ARMS.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |