US3522074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold-plated high temperature sheet material
Assignee: 3M Co
•
Filing: 1965-06-28
•
Granted: 1970-07-28
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Melvin O Kalleberg
- 👤 Larry E Espelien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/29; B; B29; B29K; B29K2309/00; B29K2309/08; C09J2400/00; C09J2400/10; C09J2400/16; C09J2400/163; C09J2400/20; C09J2400/26; C09J2400/263; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2848; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689805A
Cited
US2916398A
Cited
US2882183A
Cited
US2907677A
Cited
US3073784A
Cited
US3163665A
Cited
US3179634A
Cited
US3300328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |