US3243374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-absorbing and sealing sheet with bituminous base and containing magnetized particles
Assignee: Matec Holding AG
•
Filing: 1964-06-03
•
Granted: 1966-03-29
•
Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Gillard Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/18; G; G10; G10K; G10K11/00; G10K11/16; G10K11/162; G10K11/165; E04B2001/742; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S52/00; Y10S52/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA532453A
Cited
CA604197A
Cited
CA570361A
Cited
US1947788A
Cited
US2008655A
Cited
US2057251A
Cited
US2240326A
Cited
US2636543A
Cited
US2783207A
Cited
GB747737A
Cited
GB754626A
Cited
US3056707A
Cited
US3078183A
Cited
US3112283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |