US3372519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intersecting, modular barrier clamp joint
Assignee: Lockheed Martin Corp
•
Filing: 1965-10-23
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Granted: 1968-03-12
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04B1/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193515A
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US917859A
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US1067854A
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US1264582A
Cited
US2372200A
Cited
US2947118A
Cited
FR1505979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |