US3011197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline cleaning devices
Assignee: Bayer Corp
•
Filing: 1958-07-18
•
Granted: 1961-12-05
•
Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Nehse Ulrich
- 👤 Reuter Franz Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:10
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567459A
Cited
GB298759A
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US2095823A
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US2258174A
Cited
US2330563A
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US2558977A
Cited
GB716422A
Cited
US2705419A
Cited
US2906650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |