US1345905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for producing hydrogen
Assignee: IMPROVED EQUIPMENT Co
•
Filing: 1915-11-06
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Granted: 1920-07-06
•
Expires: 1935-11-06
Abstract
No abstract record available.
Inventors
- 👤 Abbott Lyle Stockton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:59
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/061; C01B3/08; C01B3/10; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
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) | 1923-07-06 | 1924-01-05 | 1924-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-06 | 1928-01-05 | 1928-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-06 | 1932-01-05 | 1932-07-06 | $7700.00 | Window Closed / Lapsed |