US3322233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound control product
Assignee: BANCAMERICA COMMERICAL Corp A CORP OF PA (THE LENDER)
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Filing: 1964-12-03
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Granted: 1967-05-30
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 John D Mccluer
- 👤 Robert C Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:58
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; E04B2001/8457; E04B2001/8461; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/365; Y10T442/3854; Y10T442/3862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A FLEXIBLE ACOUSTICAL PRODUCT COMPRISING A REINFORCED PLASTIC FILM FROM ABOUT 0.0015 TO ABOUT 1 MIL THICK CHARACTERIZED BY BEING SUBSTANTIALLY SOUND TRANSPARENT AT LOW FREQUENCIES AND SUBSTANTIALLY SOUND REFLECTIVE AT HIGH
Claim 2
Dependent Claim
32 words
A FLEXIBLE ACOUSTICAL PRODUCT COMPRISING A REINFORCED PLASTIC FILM FROM ABOUT 0.0015 TO ABOUT 1 MIL THICK CHARACTERIZED BY BEING SUBSTANTIALLY SOUND TRANSPARENT AT LOW FREQUENCIES AND SUBSTANTIALLY SOUND REFLECTIVE AT HIGH
References Cited (Backward Citations)
US2349236A
Cited
US2802764A
Cited
GB783555A
Cited
US2999041A
Cited
US3039904A
Cited
US3002868A
Cited
US3215225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |