US3185197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular protective cover
Assignee: Lockheed Martin Corp
•
Filing: 1963-03-12
•
Granted: 1965-05-25
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Spiro
- 👤 Frank G Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:35
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; Y; Y10; Y10S; Y10S297/00; Y10S297/06; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/24777; Y10T428/24793
Claims Analysis
Total Claims: 0
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |