US3036741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for cleaning liquid dispensing lines
Assignee: Individual
•
Filing: 1957-06-06
•
Granted: 1962-05-29
•
Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 William T Hilts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:40
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/032; B08B9/0321; B08B9/0323; B67; B67D; B67D1/00; B67D1/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720613A
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US1056696A
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US1899019A
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US2018952A
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US2078740A
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US2204900A
Cited
US2746467A
Cited
US2779052A
Cited
US2800134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |