US3127051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for vessels
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/06; B; B04; B04B; B04B7/00; B04B7/02; D; D06; D06B; D06B5/00; D06B2700/00; D06B2700/18; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A CLOSURE FOR A VESSEL HAVING AN OPENING THEREIN COMPRISING: A DOOR FRAME PORTION FOR SAID VESSEL OPENING; A DOOR FOR SAID DOOR FRAME HINGED AT ONE SIDE OF SAID VESSEL TO SWING TO AND FROM CLOSED POSITION; MATING AXIAL PROJECTIONS AND RECESSES FORMED ON SAID DOOR FRAME PORTION AND DOOR AROUND THE PERIMETERS THEREOF TO MOVE INTO MESHED RELATION IN A RADIAL PLANE WHEN THE DOOR IS SWUNG TO CLOSED POSITION; SAID PROJECTIONS AND RECESSES AROUND THE FRAME PORTION AND DOOR HOUSING HAVING SUBSTANTIALLY PARALLEL INTERMESHING WALLS EXTENDING SUBSTANTIALLY PER-
Claim 2
Dependent Claim
91 words
A CLOSURE FOR A VESSEL HAVING AN OPENING THEREIN COMPRISING: A DOOR FRAME PORTION FOR SAID VESSEL OPENING; A DOOR FOR SAID DOOR FRAME HINGED AT ONE SIDE OF SAID VESSEL TO SWING TO AND FROM CLOSED POSITION; MATING AXIAL PROJECTIONS AND RECESSES FORMED ON SAID DOOR FRAME PORTION AND DOOR AROUND THE PERIMETERS THEREOF TO MOVE INTO MESHED RELATION IN A RADIAL PLANE WHEN THE DOOR IS SWUNG TO CLOSED POSITION; SAID PROJECTIONS AND RECESSES AROUND THE FRAME PORTION AND DOOR HOUSING HAVING SUBSTANTIALLY PARALLEL INTERMESHING WALLS EXTENDING SUBSTANTIALLY PER-
References Cited (Backward Citations)
DE490788C
Cited
US1882616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |