Patent US3598907A successfully refreshed from Google Patents.
Patent US3390499A successfully refreshed from Google Patents.
US3390499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting frame of sheet metal
Assignee: Svenska Flaktfabriken AB
•
Filing: 1966-07-07
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Granted: 1968-07-02
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jansson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:01
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646; F16; F16L; F16L41/00; F16L41/08; F16L41/082; F24; F24F; F24F13/00; F24F7/00; F24F7/007; F24F7/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US482808A
Cited
US2198535A
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US687556A
Cited
US1711291A
Cited
US1771176A
Cited
US2461100A
Cited
US2799518A
Cited
US2965397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |