US3329801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic frame warmer
Assignee: Individual
•
Filing: 1964-06-22
•
Granted: 1967-07-04
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert K Shannon
- 👤 Clyde D Damron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:54
CPC Classifications
H; H05; H05B; H05B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN OPHTHALMIC FRAME WARMER COMPRISING: AN ENDLESS CONVEYING MEANS WHICH ACCOMMODATES OPHTHALMIC FRAMES TO BE HEATED; A RADIANT HEATER DISPOSED ABOVE AT LEAST A PORTION OF SAID ENDLESS CONVEYING MEANS; A REFLECTOR DISPOSED ABOVE SAID RADIANT HEATER AND OPERATIVE TO REFLECT THE RADIATED HEAT FROM SAID HEATER DOWNWARD TOWARD SAID ENDLESS CONVEYING MEANS TO WARM THE OPHTHALMIC FRAMES TRAVELLING THEREON; FORCED CONVECTION MEANS COOPERATING WITH SAID CONVEYING MEANS TO WARM AN OPHTHALMIC FRAME TO A DESRIED TEMPERATURE; AND ELECTRICAL MEANS COMPRISING CIRCUIT MEANS FOR SELECTIVELY ENERGIZING SAID ENDLESS CONVEYING MEANS, SAID RADIANT HEATER AND SAID FORCED CONVECTION MEANS.
Claim 2
Dependent Claim
98 words
AN OPHTHALMIC FRAME WARMER COMPRISING: AN ENDLESS CONVEYING MEANS WHICH ACCOMMODATES OPHTHALMIC FRAMES TO BE HEATED; A RADIANT HEATER DISPOSED ABOVE AT LEAST A PORTION OF SAID ENDLESS CONVEYING MEANS; A REFLECTOR DISPOSED ABOVE SAID RADIANT HEATER AND OPERATIVE TO REFLECT THE RADIATED HEAT FROM SAID HEATER DOWNWARD TOWARD SAID ENDLESS CONVEYING MEANS TO WARM THE OPHTHALMIC FRAMES TRAVELLING THEREON; FORCED CONVECTION MEANS COOPERATING WITH SAID CONVEYING MEANS TO WARM AN OPHTHALMIC FRAME TO A DESRIED TEMPERATURE; AND ELECTRICAL MEANS COMPRISING CIRCUIT MEANS FOR SELECTIVELY ENERGIZING SAID ENDLESS CONVEYING MEANS, SAID RADIANT HEATER AND SAID FORCED CONVECTION MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |