Patent US3338495A successfully refreshed from Google Patents.
US3338495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustably biased separable pressure assembly
Assignee: U S BAIRD CORP
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Filing: 1965-08-04
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Granted: 1967-08-29
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Motte Pierre De La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:41
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
AN ASSEMBLY COMPRISING: A BASE DEFINING AN OPENING THERETHROUGH; A FIRST PRESSURE MEANS MOUNTED IN SAID OPENING; A HOLLOW SUPPORT SECURED TO SAID BASE AND EXTENDING UPWARDLY THEREFROM; A YOKE SLIDABLY MOUNTED ON SAID SUPPORT; A PRESSURE MEMBER CARRIED BY A YOKE WITHIN SAID OPENING; SPRING MEANS BIASING SAID PRESSURE MEMBER AGAINST SAID PRESSURE MEANS; AN ADJUSTING NUT THREADEDLY SECURED TO SAID SUPPORT AND ARRANGED TO ADJUSTABLY COMPRESS SAID SPRING; A LIFT SHAFT SLIDABLY MOUNTED WITHIN SAID SUPPORT AND HAVING AN UPPER AND A LOWER END; MEANS SELECTIVELY INTERCONNECTING SAID LOWER END IN LIFTING RELATIONSHIP WITH SAID YOKE; AND LIFT NUT MEANS THREADED SECURED TO SAID UPPER END AND ARRANGED TO RAISE AND LOWER SAID SHAFT WITHIN SAID SUPPORT.
References Cited (Backward Citations)
US625211A
Cited
US2535234A
Cited
US2503994A
Cited
US2691328A
Cited
US2796781A
Cited
US3147901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |