Patent US3075783A successfully refreshed from Google Patents.
US3075783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible stroller frame linkage
Assignee: PRIDE-TRIMBLE Inc A CORP OF VIRGINIA
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Filing: 1961-04-03
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Granted: 1963-01-29
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Flam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:48
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/10; B62B9/00; B62B9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A COLLAPSIBLE BABY STROLLER FRAME COMPRISING: A BASE FRAME; A HANDLE FRAME PIVOTED TO THE BASE FRAME FOR MOVEMENT ABOUT A FIRST AXIS; AN ARM REST FRAME INCLUDING A PAIR OF TOGGLE PARTS RESPECTIVELY PIVOTALLY CONNECTED TO THE BASE FRAME AND THE HANDLE FRAME FOR ANGULAR MOVEMENT ABOUT SECOND AND THIRD AXES PARALLEL TO SAID FIRST AXIS; AND AXLE MEANS PIVOTALLY CONNECTING THE TOGGLE PARTS TOGETHER FOR RELATIVE MOVEMENT ABOUT A FOURTH AXIS PARALLEL TO SAID FIRST AXIS; SAID AXLE MEANS HAVING PARTS ENGAGING THE BASE FRAME TO DETERMINE THE LIMIT OF MOVEMENT OF SAID TOGGLE PARTS IN A FRAME OPENING DIRECTION.
Claim 2
Dependent Claim
102 words
A COLLAPSIBLE BABY STROLLER FRAME COMPRISING: A BASE FRAME; A HANDLE FRAME PIVOTED TO THE BASE FRAME FOR MOVEMENT ABOUT A FIRST AXIS; AN ARM REST FRAME INCLUDING A PAIR OF TOGGLE PARTS RESPECTIVELY PIVOTALLY CONNECTED TO THE BASE FRAME AND THE HANDLE FRAME FOR ANGULAR MOVEMENT ABOUT SECOND AND THIRD AXES PARALLEL TO SAID FIRST AXIS; AND AXLE MEANS PIVOTALLY CONNECTING THE TOGGLE PARTS TOGETHER FOR RELATIVE MOVEMENT ABOUT A FOURTH AXIS PARALLEL TO SAID FIRST AXIS; SAID AXLE MEANS HAVING PARTS ENGAGING THE BASE FRAME TO DETERMINE THE LIMIT OF MOVEMENT OF SAID TOGGLE PARTS IN A FRAME OPENING DIRECTION.
References Cited (Backward Citations)
GB622622A
Cited
US2728580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |