Patent US2388662A successfully refreshed from Google Patents.
US2115630A
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Process and apparatus for treating lengths of material
Assignee: Wacker Chemie AG
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Filing: 1935-11-13
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Granted: 1938-04-26
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Expires: 1955-11-13
Abstract
No abstract record available.
Inventors
- 👤 Gruber-Rehenburg Rudolf Von
- 👤 Stobe Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/02; D06B9/00; D06B9/06; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |