US1448901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-analysis machine
Assignee: Individual
•
Filing: 1919-06-09
•
Granted: 1923-03-20
•
Expires: 1939-06-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Moreland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:03
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/02; G01N7/04; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/204998; Y10T436/207497
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) | 1926-03-19 | 1926-09-18 | 1927-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-19 | 1930-09-18 | 1931-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-19 | 1934-09-18 | 1935-03-20 | $7700.00 | Window Closed / Lapsed |