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US734220A
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US
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Combination internal-combustion and compressed or liquid gas or compressed or liquid air engine.
Assignee: Individual
•
Filing: 1901-02-26
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Granted: 1903-07-21
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Expires: 1921-02-26
Abstract
No abstract record available.
Inventors
- 👤 Frank Bryan
- 👤 Abel H Bayley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:18
CPC Classifications
F; F02; F02B; F02B3/00; F02B3/06
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) | 1906-07-20 | 1907-01-19 | 1907-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-07-20 | 1911-01-19 | 1911-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-07-20 | 1915-01-19 | 1915-07-21 | $7700.00 | Window Closed / Lapsed |