US3015341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow regulators
Assignee: Individual
•
Filing: 1958-01-10
•
Granted: 1962-01-02
•
Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
- 👤 Harry A Hedlend
- 👤 Paul M Waterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7781; Y10T137/7784; Y10T137/7792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375070A
Cited
US611519A
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US1156011A
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US1907162A
Cited
US2198487A
Cited
US2836198A
Cited
US2833362A
Cited
US2807279A
Cited
US2938538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |