US3049067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-absorbing and heat-resisting wall construction
Assignee: Individual
•
Filing: 1958-11-14
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Granted: 1962-08-14
•
Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Claude Janine Lysiane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/02; E04B1/08; F; F24; F24F; F24F13/00; F24F13/24; F24F3/00; F24F3/044; F24F5/00; F24F5/0075; Y; Y02; Y02A; Y02A30/00; Y02B; Y02B30/00; Y02B30/90; Y10; Y10S; Y10S454/00; Y10S454/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |