US3022480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sandwich circuit strips
Assignee: Individual
•
Filing: 1957-02-07
•
Granted: 1962-02-20
•
Expires: 1977-02-07
Abstract
No abstract record available.
Inventors
- 👤 Tiffany Frank Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/20; H02B1/207; H05; H05K; H05K1/00; H05K1/02; H05K1/0286; H05K1/0287; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US840537A
Cited
US1952554A
Cited
US1938752A
Cited
US2281958A
Cited
US2337397A
Cited
US2481951A
Cited
US2442984A
Cited
US2473705A
Cited
US2613287A
Cited
DE814757C
Cited
US2765450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |