US2745490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament-stapilizing machine, including grinding ring
Assignee: Ing A Maurer SA
•
Filing: 1954-01-12
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Granted: 1956-05-15
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Expires: 1974-01-12
Abstract
No abstract record available.
Inventors
- 👤 Steiger Robert
- 👤 Luthi Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:49
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/303; Y10T83/869; Y10T83/8789; Y10T83/8874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB339857A
Cited
DE674105C
Cited
US2278662A
Cited
US2339765A
Cited
US2391719A
Cited
US2634810A
Cited
US2694448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |