US2873820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby carriage brake mechanism
Assignee: Individual
•
Filing: 1956-09-12
•
Granted: 1959-02-17
•
Expires: 1976-09-12
Abstract
No abstract record available.
Inventors
- 👤 Rizzuto Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:11
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US402361A
Cited
US473606A
Cited
US608865A
Cited
FR964745A
Cited
US1331513A
Cited
US1507955A
Cited
GB376845A
Cited
US2591524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |