Patent US3436544A successfully refreshed from Google Patents.
US3436544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation shield including removable portion
Assignee: General Electric Co
•
Filing: 1965-10-23
•
Granted: 1969-04-01
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Walter A Graf Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:49
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/005; G21C; G21C11/00; G21C11/02; G21C11/026; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB989167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |