Patent US3107532A successfully refreshed from Google Patents.
US3107532A
Expired / Lapsed
US
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Thermostat
Assignee: Gustav F Gerdts KG
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Filing: 1962-04-16
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Granted: 1963-10-22
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Lingnau Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:45
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/64; G01K5/66; G01K5/68; H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A THERMOSTAT COMPRISING AT LEAST ONE PAIR OF BIMETALLIC DISCS CURVING IN OPPOSITE DIRECTIONS AND LOOSELY MOUNTED ONE OVER THE OTHER, SAID TWO DISCS BEING OF DIFFERENT SIZE, THE EDGES OF THE DISC OF SMALLER SIZE BEING SUPPORTED BY THE INNER SURFACE OF THE DISC OF LARGER SIZE.
Claim 2
Dependent Claim
48 words
A THERMOSTAT COMPRISING AT LEAST ONE PAIR OF BIMETALLIC DISCS CURVING IN OPPOSITE DIRECTIONS AND LOOSELY MOUNTED ONE OVER THE OTHER, SAID TWO DISCS BEING OF DIFFERENT SIZE, THE EDGES OF THE DISC OF SMALLER SIZE BEING SUPPORTED BY THE INNER SURFACE OF THE DISC OF LARGER SIZE.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |