US3536960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sink module
Assignee: ELECTRIC REGULATOR CORP
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Filing: 1968-06-26
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Granted: 1970-10-27
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Expires: 1988-06-26
Abstract
No abstract record available.
Inventors
- 👤 Christian S Otteson
- 👤 James P Ettinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:15
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/2089; H05K7/209; F; F22; F22B; F22B27/00; F22B27/14; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/145; F24H1/16; F24H1/165; F28; F28F; F28F13/00; F28F13/003; H01; H01J; H01J19/00; H01J19/28; H01J19/32; H01J19/36; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0027
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |