US3689328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coherent dispersion hardened composites
Assignee: Individual
•
Filing: 1968-07-02
•
Granted: 1972-09-05
•
Expires: 1988-07-02
Abstract
Abstract A COMPOSITE MATERIAL HAVING A BUNDLE OF TUBULAR HARDENING FILMS AND CONSISTING OF A SINGLE BODY FORMED OF PARALLEL FINE WIRES DIFFUSION WELDED TO ONE ANOTHER WITH INTERPOSITION OF SUBSTANTIALLY UNIFORM LAYERS OF METALS OR COMPOUNDS THEREOF CAPABLE OF PREVENTING THE DISLOCATION MOVEMENT OF THE BASIC MATERIAL, THE DIAMETER OF SAID WIRES HAVING A MAGNITUDE OF 1 MICRON.
Inventors
- 👤 Giovanni Perona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:43
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/04; B21C37/045; B23; B23K; B23K20/00; B23K20/001; C; C22; C22C; C22C47/00; C22C47/20; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/1234; Y10T428/12444; Y10T428/12465; Y10T428/12486; Y10T428/12493; Y10T428/12535; Y10T428/12611
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |