US3043567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant acoustical system
Assignee: AIRTEX CORP
•
Filing: 1958-02-17
•
Granted: 1962-07-10
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Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Bergh
- 👤 Dale E King
- 👤 Raymond C Nierzwicki
- 👤 Thorne Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:09
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/065; E04B9/064; E04B9/34; E04B9/36; E04B9/363; F; F24; F24D; F24D3/00; F24D3/12; F24D3/16; F24D3/165; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2357560A
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US2718383A
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US2469963A
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US2800308A
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US2660409A
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US2721731A
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US2751198A
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US2712771A
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US2818235A
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US2805842A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |