Patent US2530592A successfully refreshed from Google Patents.
US2530592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible baby carriage
Assignee: Individual
•
Filing: 1948-04-02
•
Granted: 1950-11-21
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Expires: 1968-04-02
Abstract
No abstract record available.
Inventors
- 👤 Robert S Aries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:39
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/10; B62B9/102; B62B9/104; B62B9/20; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US131317A
Cited
US366741A
Cited
GB189809766A
Cited
GB182981A
Cited
GB204610A
Cited
US2007804A
Cited
CH178718A
Cited
US2384711A
Cited
CH243248A
Cited
CH239662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |