US2843273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rain protecting device, especially for hatchways on ships
Assignee: Individual
•
Filing: 1955-11-25
•
Granted: 1958-07-15
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Olof J Sanden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; Y; Y10; Y10S; Y10S135/00; Y10S135/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1122902A
Cited
US1640188A
Cited
GB295046A
Cited
US2201781A
Cited
US2219226A
Cited
US2575565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |