US3515086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for handling cargo lighters and cargo hatch covers aboard ship
Assignee: MORGAN ENGINEERING SYSTEMS Inc A DE CORP
•
Filing: 1969-04-14
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Granted: 1970-06-02
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Expires: 1989-04-14
Abstract
No abstract record available.
Inventors
- 👤 Raimunds Auzins
- 👤 Earl H Sigman
- 👤 Alfred Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:43
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/36; A; A47; A47F; A47F7/00; A47F7/10; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3361274A
Cited
US3390657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |