Patent US3076047A successfully refreshed from Google Patents.
Patent US3449202A successfully refreshed from Google Patents.
US3449202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unusual structural material
Assignee: Lockheed Martin Corp
•
Filing: 1964-06-29
•
Granted: 1969-06-10
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 John D Bowen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:17
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5076; C04B41/5084; C08; C08J; C08J5/00; C08J5/04; C08J5/047; C08L; C08L83/00; C08L83/04; C04B2111/00; C04B2111/00474; C04B2111/00862; C08J2383/00; C08J2383/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3296333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |