Patent US2464016A successfully refreshed from Google Patents.
US2464016A
Expired / Lapsed
US
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Knockdown toboggan
Assignee: Individual
•
Filing: 1945-08-27
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Granted: 1949-03-08
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Expires: 1965-08-27
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:53
CPC Classifications
B; B62; B62B; B62B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US48178A
Cited
US961856A
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CH69575A
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US1583693A
Cited
CH182831A
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US2149585A
Cited
US2162888A
Cited
US2187437A
Cited
US2367157A
Cited
US2367528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |