US3067540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickaback loader and unloader for toy railway
Assignee: AC Gilbert Co
•
Filing: 1959-08-31
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Granted: 1962-12-11
•
Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 William R Smith
- 👤 Wilfred H Runk
- 👤 Jr Minor G Kretzmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:54
CPC Classifications
A; A63; A63H; A63H19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1506849A
Cited
US2373148A
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US2313335A
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US2405833A
Cited
US2720324A
Cited
US2855115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |