US1916908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound absorbing means
Assignee: Carrier Engineering Corp
•
Filing: 1929-06-04
•
Granted: 1933-07-04
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Expires: 1949-06-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred E Stacey
- 👤 Leo L Lewis
- 👤 Milton S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:43
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/24; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; F16; F16L; F16L55/00; F16L55/02; Y; Y10; Y10S; Y10S138/00; Y10S138/04; Y10S454/00; Y10S454/906
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |