US1027862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the separation of hydrogen from a gaseous mixture.
Assignee: Individual
•
Filing: 1911-07-31
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Granted: 1912-05-28
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Expires: 1931-07-31
Abstract
No abstract record available.
Inventors
- 👤 Carl Von Linde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:39
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/0605; F25J3/0625; F25J3/063; F25J3/0655; F25J3/0665; F25J2210/00; F25J2210/40; F25J2210/42; F25J2240/00; F25J2240/40; F25J2270/00; F25J2270/02; F25J2270/90; F25J2270/904
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) | 1915-05-28 | 1915-11-27 | 1916-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-28 | 1919-11-27 | 1920-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-28 | 1923-11-27 | 1924-05-28 | $7700.00 | Window Closed / Lapsed |