US3041983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy monorail trolley systems
Assignee: Individual
•
Filing: 1961-06-12
•
Granted: 1962-07-03
•
Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Liversidge
- 👤 Lingenfelder Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:33
CPC Classifications
A; A63; A63H; A63H21/00; A63H21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258302A
Cited
US2038732A
Cited
US2132187A
Cited
US2229015A
Cited
US2932258A
Cited
US2913997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |