US1986348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for effecting gas reactions
Assignee: EIDP Inc
•
Filing: 1931-06-13
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Granted: 1935-01-01
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Expires: 1951-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lacy Burritt Samuel
- 👤 Harlan A Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:39
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/02; C01C3/0204; B; B01; B01J; B01J19/00; B01J19/24; B01J19/2415; B01J19/243; C01C3/002; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00083; B01J2219/00132; B01J2219/00135; B01J2219/0015; B01J2219/00155; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/0077; B01J2219/00772
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) | 1937-12-31 | 1938-07-02 | 1939-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-31 | 1942-07-02 | 1943-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-31 | 1946-07-02 | 1947-01-01 | $7700.00 | Window Closed / Lapsed |