US3048233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marsh buggy
Assignee: Individual
•
Filing: 1961-05-23
•
Granted: 1962-08-07
•
Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 John P Crain
- 👤 Crain Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:11
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; B60K17/04; B60K17/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US844892A
Cited
US1443779A
Cited
US1294198A
Cited
US1427362A
Cited
US2560384A
Cited
US2582142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |