US2841918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly for building sets
Assignee: Individual
•
Filing: 1956-01-26
•
Granted: 1958-07-08
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Sylwan Mark Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:07
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/107; A47; A47B; A47B2230/00; A47B2230/14; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/7164; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US82738A
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US750153A
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US693206A
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US1177665A
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DE359933C
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US1843115A
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US2280361A
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US2402570A
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US2559975A
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US2658776A
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US2715537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |