US1402676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling, cleansing, and filtering device for gas
Assignee: AUTOMOTIVE GAS PRODUCER Corp
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Filing: 1918-12-02
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Granted: 1922-01-03
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Expires: 1938-12-02
Abstract
No abstract record available.
Inventors
- 👤 Smith David Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:24
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/02; C10K1/024
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) | 1925-01-02 | 1925-07-04 | 1926-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-02 | 1929-07-04 | 1930-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-02 | 1933-07-04 | 1934-01-03 | $7700.00 | Window Closed / Lapsed |