US2899556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the treatment of substances
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/10; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; G; G21; G21H; G21H5/00; G21K; G21K5/00; G21K5/04; H; H01; H01J; H01J27/00; H01J27/02; H01J27/20; H01J33/00; H01J37/00; H01J37/02; H01J37/04; H01J37/08; H01J37/147; H01J37/15; H01J37/30; H01J37/301; Y; Y10; Y10S; Y10S164/00; Y10S164/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1326794A
Cited
US2267752A
Cited
US2240914A
Cited
US2319061A
Cited
US2527747A
Cited
US2600151A
Cited
US2750541A
Cited
US2640948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |