US3535352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solder flux which leaves corrosion-resistant coating
Assignee: National Aeronautics and Space Administration
•
Filing: 1967-08-22
•
Granted: 1970-10-20
•
Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Albert Bauman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3615; C; C07; C07C; C07C53/00; C07C53/15; C07C53/19; C07C53/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2827471A
Cited
US2927941A
Cited
US3232970A
Cited
US3223561A
Cited
US3271430A
Cited
US3220892A
Cited
US3357093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |