US3231053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible doll stroller chassis
Assignee: Coleco Industries Inc
•
Filing: 1962-03-19
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Granted: 1966-01-25
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Roman V Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B7/083; B62B2205/00; B62B2205/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A DOLL STROLLER, A CHASSIS COMPRISING A PAIR OF ELONGATED FLAT LEGS WHICH ARE CLOSED IN SCISSORS FASHION AND PIVOTALLY CONNECTED TOGETHER WHERE THEY CROSS, A HORIZONTAL RAIL PIVOTALLY CONNECTED AT ITS OPPOSITE ENDS TO THE UPPER END PORTIONS OF SAID LEGS, RESPECTIVELY; ONE OF SAID LEGS INCLUDING TWO ELONGATED FLAT BAR PORTION HAVING OPPOSITE PARALLEL SIDES, RESPECTIVELY, SAID BAR PORTIONS BEING PIVOTALLY CONNECTED TOGETHER WITH THE SIDES THEREOF BEING PARALLEL, SAID BAR PORTIONS HAVING OPPOSITE EDGES RESPECTIVELY, ONE OF SAID BAR PORTION HAVING AN EXTENSION WHICH PROJECTS BEYOND THE LAST-MENTIONED PIVOTAL CONNECTION AND WHICH OVERLIES IN PARALLELISM THE OTHER BAR PORTION, A U-SHAPED LOCKING CLIP FORMED OF SPRING METAL AND HAVING TWO ARM PORTIONS WHICH ARE FLAT AND PARALLEL AND A BASE PORTION WHICH CONNECTS SAID ARM PORTIONS TOGETHER, SAID CLIP TRANSVERSELY STRADDDLING SAID EXTENSION
Claim 2
Dependent Claim
137 words
IN A DOLL STROLLER, A CHASSIS COMPRISING A PAIR OF ELONGATED FLAT LEGS WHICH ARE CLOSED IN SCISSORS FASHION AND PIVOTALLY CONNECTED TOGETHER WHERE THEY CROSS, A HORIZONTAL RAIL PIVOTALLY CONNECTED AT ITS OPPOSITE ENDS TO THE UPPER END PORTIONS OF SAID LEGS, RESPECTIVELY; ONE OF SAID LEGS INCLUDING TWO ELONGATED FLAT BAR PORTION HAVING OPPOSITE PARALLEL SIDES, RESPECTIVELY, SAID BAR PORTIONS BEING PIVOTALLY CONNECTED TOGETHER WITH THE SIDES THEREOF BEING PARALLEL, SAID BAR PORTIONS HAVING OPPOSITE EDGES RESPECTIVELY, ONE OF SAID BAR PORTION HAVING AN EXTENSION WHICH PROJECTS BEYOND THE LAST-MENTIONED PIVOTAL CONNECTION AND WHICH OVERLIES IN PARALLELISM THE OTHER BAR PORTION, A U-SHAPED LOCKING CLIP FORMED OF SPRING METAL AND HAVING TWO ARM PORTIONS WHICH ARE FLAT AND PARALLEL AND A BASE PORTION WHICH CONNECTS SAID ARM PORTIONS TOGETHER, SAID CLIP TRANSVERSELY STRADDDLING SAID EXTENSION
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |