US2940099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer cleaner
Assignee: Individual
•
Filing: 1956-01-26
•
Granted: 1960-06-14
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Karl J Kollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:14
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T279/17572; Y10T279/17589
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442230A
Cited
US627815A
Cited
US2033670A
Cited
US2266659A
Cited
US2318172A
Cited
US2383156A
Cited
US2501311A
Cited
US2460149A
Cited
US2769191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |