Patent US3518956A successfully refreshed from Google Patents.
US3518956A
Expired / Lapsed
US
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Bubble hulls
Assignee: Individual
•
Filing: 1968-05-16
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Granted: 1970-07-07
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Expires: 1988-05-16
Abstract
No abstract record available.
Inventors
- 👤 Marius Georges Henri Girodin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:55
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/04; B60V1/046; B60V1/11; B60V1/12; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1001058A
Cited
US3362499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |