Patent US3463526A successfully refreshed from Google Patents.
US3463526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weldable attachments for bonded sandwich panel structures
Assignee: RTX Corp
•
Filing: 1967-09-25
•
Granted: 1969-08-26
•
Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 John J Benincasa
- 👤 Marvin L Hage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:45
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/01; B; B64; B64C; B64C3/00; E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6179
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |