US3515168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street cleaner suction seal
Assignee: Wayne Manufacturing Co
•
Filing: 1968-05-31
•
Granted: 1970-06-02
•
Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Simon Tamny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836; F; F16; F16L; F16L27/00; F16L27/10; F16L27/1025; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US588351A
Cited
US2974079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |