Patent FR2661997A1 successfully refreshed from Google Patents.
US2787472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for moving baby carriages over curb and steps
Assignee: Individual
•
Filing: 1955-05-25
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Granted: 1957-04-02
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Expires: 1975-05-25
Abstract
No abstract record available.
Inventors
- 👤 Foggiano Pellegrino Fred
- 👤 Alberelli Alberino
- 👤 Mattel Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:30
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572658A
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US2418665A
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US819302A
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US857696A
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US1119002A
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FR933928A
Cited
FR944440A
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FR56647E
Cited
GB643407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |