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Patent US1507310A successfully refreshed from Google Patents.
US1507310A
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Lubricating system
Assignee: Folberth Auto Specialty Co
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Filing: 1921-11-28
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Granted: 1924-09-02
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Expires: 1941-11-28
Abstract
No abstract record available.
Inventors
- 👤 Fred G Folberth
- 👤 William M Folberth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:55
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/20; F04; F04C; F04C18/00; F04C18/08; F04C18/12; F04C18/14; F04C18/18
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) | 1927-09-02 | 1928-03-03 | 1928-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-02 | 1932-03-03 | 1932-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-02 | 1936-03-03 | 1936-09-02 | $7700.00 | Window Closed / Lapsed |