US1027333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen-generating composition.
Assignee: Carl Zeiss SMT GmbH
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Filing: 1910-07-20
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Granted: 1912-05-21
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Expires: 1930-07-20
Abstract
No abstract record available.
Inventors
- 👤 Mordko Herschkowitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
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) | 1915-05-21 | 1915-11-20 | 1916-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-21 | 1919-11-20 | 1920-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-21 | 1923-11-20 | 1924-05-21 | $7700.00 | Window Closed / Lapsed |