US3529121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding apparatus
Assignee: Raytheon Co
•
Filing: 1967-04-03
•
Granted: 1970-09-15
•
Expires: 1987-04-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen N Bobo
- 👤 Ricardo Vanzetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/095; B23K9/0956
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
SU117130A1
Cited
US3236997A
Cited
US3354287A
Cited
US3262006A
Cited
US3370151A
Cited
US3406272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |