Patent US3487996A successfully refreshed from Google Patents.
US3487996A
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US
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Method and system for control of the supply of flowing media to an outlet
Assignee: HYDROTERAPL A CORP OF SWEDEN AB
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Filing: 1968-01-26
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Granted: 1970-01-06
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Expires: 1988-01-26
Abstract
No abstract record available.
Inventors
- 👤 Gunnar Torbjorn Lofgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/135; F; F16; F16K; F16K31/00; F16K31/02; G05D11/131; G05D11/132; G05D23/00; G05D23/01; G05D23/13; G05D23/1393; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86445; Y10T137/86461; Y10T137/87571; Y10T137/87676; Y10T137/87684
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) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |