US2337525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound deadener
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1941-04-21
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Granted: 1943-12-21
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Expires: 1961-04-21
Abstract
No abstract record available.
Inventors
- 👤 Paul G Peik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:56
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B2001/8263; E04B2001/8281; E04B2001/8414; E04B2001/8457; E04B2001/8476; E04B2001/848; E04B2001/849; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24174; Y10T428/24273; Y10T428/24298; Y10T428/24314; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-12-20 | 1947-06-21 | 1947-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-20 | 1951-06-21 | 1951-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-20 | 1955-06-21 | 1955-12-21 | $7700.00 | Window Closed / Lapsed |