US1638747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger box
Assignee: SKAYEF BALL BEARING Co
•
Filing: 1923-06-26
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Granted: 1927-08-09
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Expires: 1943-06-26
Abstract
No abstract record available.
Inventors
- 👤 Robert F Runge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:11
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; F16C2226/00; F16C2226/10; F16C2226/16; F16C35/042
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) | 1930-08-08 | 1931-02-07 | 1931-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-08 | 1935-02-07 | 1935-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-08 | 1939-02-07 | 1939-08-09 | $7700.00 | Window Closed / Lapsed |