US1643156A
Expired / Lapsed
US
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Ball race
Assignee: ROBERT E FARMER
•
Filing: 1925-02-27
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Granted: 1927-09-20
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Expires: 1945-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frank T Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:20
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/62; F; F16; F16C; F16C25/00; F16C25/06; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/077; A01D2101/00; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-09-19 | 1931-03-21 | 1931-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-19 | 1935-03-21 | 1935-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-19 | 1939-03-21 | 1939-09-20 | $7700.00 | Window Closed / Lapsed |