US3090193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clock housing
Assignee: Hamilton Watch Co
•
Filing: 1958-12-09
•
Granted: 1963-05-21
•
Expires: 1978-12-09
Abstract
No abstract record available.
Inventors
- 👤 Kaj H Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:07
CPC Classifications
G; G04; G04B; G04B37/00; G04B37/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN A BATTERY DRIVEN CLOCK HAVING A DIAL TRAIN AND DIAL PLATE, A HOUSING COMPRISING: A BASE HAVING A FLOOR AND A SIDE WALL EXTENDING THEREFROM; SAID FLOOR HAVING AN INNER AND OUTER SIDE AND A LARGE OPENING THEREIN FOR RECEIVING SAID DIAL TRAIN OF SAID CLOCK; SAID OUTER SIDE HAVING AN ANNULAR LEDGE FORMED THEREIN CO-AXIALLY WITH SAID OPENING; SAID ANNULAR LEDGE BEING ADAPTED TO RELEASABLY RECEIVE THE PERIPHERAL EDGE OF SAID DIAL PLATE ABOUT SAID FLOOR OPENING; A SUPPORT PLATE RELEASABLY ENGAGING SAID OUTER SIDE OF SAID FLOOR ABOUT SAID FLOOR OPENING; A TRANSPARENT CRYSTAL FOR SAID CLOCK OVERLYING SAID PERIPHERAL EDGE OF SAID DIAL PLATE AND HAVING INNER AND OUTER SURFACES; SAID CRYSTAL EXTENDING AWAY FROM SAID BASE AND DIAL PLATE; SAID SUPPORT PLATE HAVING AN OPENING THROUGH WHICH SAID CRYSTAL MAY PROTRUDE; SAID SUPPORT PLATE OPENING BEING DEFINED BY AN ANNULAR FLANGE FOR ENGAGING SAID OUTER SURFACE OF SAID CRYSTAL; SAID INNER SURFACE OF SAID CRYSTAL RELEASABLY ENGAGING SAID PERIPHERAL EDGE OF SAID DIAL PLATE ABOUT SAID FLOOR OPENING; AND SCREW MEANS REMOVABLY CONNECTING SAID SUPPORT PLATE TO SAID BASE SO AS TO COMPRESS SAID CRYSTAL AND DIAL PLATE BETWEEN SAID ANNULAR LEDGE AND ANNULAR FLANGE.
Claim 2
Dependent Claim
200 words
IN A BATTERY DRIVEN CLOCK HAVING A DIAL TRAIN AND DIAL PLATE, A HOUSING COMPRISING: A BASE HAVING A FLOOR AND A SIDE WALL EXTENDING THEREFROM; SAID FLOOR HAVING AN INNER AND OUTER SIDE AND A LARGE OPENING THEREIN FOR RECEIVING SAID DIAL TRAIN OF SAID CLOCK; SAID OUTER SIDE HAVING AN ANNULAR LEDGE FORMED THEREIN CO-AXIALLY WITH SAID OPENING; SAID ANNULAR LEDGE BEING ADAPTED TO RELEASABLY RECEIVE THE PERIPHERAL EDGE OF SAID DIAL PLATE ABOUT SAID FLOOR OPENING; A SUPPORT PLATE RELEASABLY ENGAGING SAID OUTER SIDE OF SAID FLOOR ABOUT SAID FLOOR OPENING; A TRANSPARENT CRYSTAL FOR SAID CLOCK OVERLYING SAID PERIPHERAL EDGE OF SAID DIAL PLATE AND HAVING INNER AND OUTER SURFACES; SAID CRYSTAL EXTENDING AWAY FROM SAID BASE AND DIAL PLATE; SAID SUPPORT PLATE HAVING AN OPENING THROUGH WHICH SAID CRYSTAL MAY PROTRUDE; SAID SUPPORT PLATE OPENING BEING DEFINED BY AN ANNULAR FLANGE FOR ENGAGING SAID OUTER SURFACE OF SAID CRYSTAL; SAID INNER SURFACE OF SAID CRYSTAL RELEASABLY ENGAGING SAID PERIPHERAL EDGE OF SAID DIAL PLATE ABOUT SAID FLOOR OPENING; AND SCREW MEANS REMOVABLY CONNECTING SAID SUPPORT PLATE TO SAID BASE SO AS TO COMPRESS SAID CRYSTAL AND DIAL PLATE BETWEEN SAID ANNULAR LEDGE AND ANNULAR FLANGE.
References Cited (Backward Citations)
FR386224A
Cited
US1847800A
Cited
US2089280A
Cited
US2044314A
Cited
CH189689A
Cited
GB489136A
Cited
CH195115A
Cited
US2253715A
Cited
US2341271A
Cited
GB614460A
Cited
DE822817C
Cited
US2700272A
Cited
FR1089225A
Cited
FR1111295A
Cited
US2783610A
Cited
FR1126032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |