Patent US3806352A successfully refreshed from Google Patents.
US3806352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for temporary protection of ships after launching
Assignee: Individual
•
Filing: 1972-01-04
•
Granted: 1974-04-23
•
Expires: 1992-01-04
Abstract
Abstract A METHOD IS DESCRIBED FOR TEMPORARY PROTECTION OF SHIPS AFTER LAUNCHING; IN ACCORDANCE WITH THE METHOD, A COVERING WAX COATING IS APPLIED ON TOP OF THE USUAL COATING ON THE SHIP HULL, THE SAID LAYER BEING WORN OFF WHEN THE SHIP IS PUT INTO GENERAL SERVICE.
Inventors
- 👤 B Kirksaeter
- 👤 O Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:06
CPC Classifications
B; B63; B63B; B63B59/00; Y; Y02; Y02T; Y02T70/00; Y02T70/10; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-22 | 1977-10-22 | 1978-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-22 | 1981-10-22 | 1982-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-22 | 1985-10-22 | 1986-04-23 | $7700.00 | Window Closed / Lapsed |