US3407588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roping method and apparatus
Assignee: Siemens AG
•
Filing: 1967-01-23
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Granted: 1968-10-29
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Feese Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:03
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/005; D07B3/08; D07B3/10; D07B3/106; H; H01; H01B; H01B13/00; H01B13/02; H01B13/0235; H01B13/0242; D07B2501/00; D07B2501/40; D07B2501/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858528A
Cited
US2099876A
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DE910431C
Cited
FR1011865A
Cited
US2714282A
Cited
US2956391A
Cited
US2998694A
Cited
US3169360A
Cited
US3348369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |