US2568010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of a lining for pressure galleries and shafts
Assignee: Individual
•
Filing: 1947-05-07
•
Granted: 1951-09-18
•
Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 Kieser Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/04; E21D11/10; E02; E02B; E02B9/00; E02B9/02; E02B9/06; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |