US2488490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding and reciprocating mechanism for sewer cleaner s nakes
Assignee: Individual
•
Filing: 1946-04-19
•
Granted: 1949-11-15
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 William A Buchmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:01
CPC Classifications
B; B65; B65H; B65H51/00; B65H51/18; E; E03; E03F; E03F9/00; E03F9/002; E03F9/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1592
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) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |