US3471310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding process and product
Assignee: Eutectic Corp
•
Filing: 1965-05-24
•
Granted: 1969-10-07
•
Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 A David Joseph
- 👤 Daniel P Tanzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:30
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12104; Y10T428/12111; Y10T428/12181; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB609644A
Cited
US2774747A
Cited
US2744040A
Cited
US3004872A
Cited
US2943951A
Cited
US3153584A
Cited
US3185589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |