US1463416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaning and heating attachment for internal-combustion engines
Assignee: STROMBERG MOTOR DEVICES Co
•
Filing: 1917-11-12
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Granted: 1923-07-31
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Expires: 1937-11-12
Abstract
No abstract record available.
Inventors
- 👤 Frank H Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:51
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/04; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; F02M2700/4345
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) | 1926-07-30 | 1927-01-29 | 1927-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-30 | 1931-01-29 | 1931-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-30 | 1935-01-29 | 1935-07-31 | $7700.00 | Window Closed / Lapsed |