US3145501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown marble railway toy
Assignee: Individual
•
Filing: 1961-06-07
•
Granted: 1964-08-25
•
Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Grosser Edward Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:28
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/22; A63F7/36; A63F7/3622; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/105; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/45; Y10T403/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA563992A
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US409744A
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DE51481C
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US817871A
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GB156387A
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US1619298A
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US2000808A
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US2106148A
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US2266464A
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US2388297A
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US2806322A
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US2885822A
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US2927396A
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US3032919A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |