Patent US2953460A successfully refreshed from Google Patents.
Patent US3206122A successfully refreshed from Google Patents.
US3206122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy roadbed
Assignee: AC Gilbert Co
•
Filing: 1961-07-27
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Granted: 1965-09-14
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Marshall H Frisbie
- 👤 Jr Minor G Kretzmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:32
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/12; A63H18/02; A63H18/023
Claims Analysis
Total Claims: 0
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |