Patent US3206790A successfully refreshed from Google Patents.
US3206790A
Expired / Lapsed
US
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Locking assembly for a swiveled caster
Assignee: WELSH Co
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Filing: 1963-12-12
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Granted: 1965-09-21
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Romay Cletus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:28
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/02; B62; B62B; B62B2301/00; B62B2301/04; B62B2301/046; B62B2301/0463; B62B2301/0465; B62B2301/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN A CASTER SWIVEL LOCKING ASSEMBLY: (A) A FRAME, (B) A CASTER INCLUDING A BRACKET SWIVELED TO THE FRAME, THE BRACKET BEING PROVIDED WITH A RECESS, (C) A PLUNGER RECIPROCATIVELY MOUNTED IN THE FRAME AND SELECTIVELY MOVABLE TO A LOCKING LIMIT IN WHICH THE PLUNGER INTERFITS THE RECESS AND RETAINS THE BRACKET AND CASTER IN A PREDETERMINED POSITION, (D) A SPRING OPERATIVELY CONNECTED TO THE PLUNGER AND TENDING TO URGE THE PLUNGER TOWARD THE BRACKET AND TOWARD THE LOCKING LIMIT, AND (E) AN ANGULAR CAM PLATE DISPOSED BETWEEN THE PLUNGER AND THE FRAME, (F) THE CAM PLATE INCLUDING A FIRST PORTION AT ONE SIDE OF THE ANGLE WHICH SLIDABLY ENGAGES THE FRAME,
References Cited (Backward Citations)
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |