US1154009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing gases.
Assignee: Individual
•
Filing: 1915-01-04
•
Granted: 1915-09-21
•
Expires: 1935-01-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:37
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/467; C02F1/4672; C02F1/4674; Y; Y10; Y10S; Y10S60/00; Y10S60/915
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) | 1918-09-20 | 1919-03-22 | 1919-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-20 | 1923-03-22 | 1923-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-20 | 1927-03-22 | 1927-09-21 | $7700.00 | Window Closed / Lapsed |