US3127890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oven closure construction
Assignee: Mills Products Inc
•
Filing: 1961-07-28
•
Granted: 1964-04-07
•
Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:06
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A RECTANGULAR CLOSURE FOR THE ACCESS OPENING OF AN OVEN INCLUDING A WINDOW UNIT COMPRISING A PAIR OF SPACED WINDOW PANELS WITH A SPACER BETWEEN AND SEALINGLY ENGAGING SAID PANELS AT THE EDGES THEREOF, A CONTINOUS CLAMPING AND SEALING FRAME FOR CLAMPING SAID PANELS AGAINST SAID SPACER COMPRISING A CHANNEL FRAME FITTING AROUND THE PERIPHERAL EDGES OF SAID SPACED WINDOW PANELS WITH SAID SPACER THEREBETWEEN; SAID CLAMPING FRAME HAVING INTERGRAL CONTINUOUS LATERAL PROJECTIONS ON EACH SIDE THEREOF, AND A ONE-PIECE SHEET METAL OUTER WRAP-AROUND CLOSURE FRAME OF CHANNEL-SHAPED CROSS SECTION WRAPPED AROUND SAID WINDOW UNIT ON AT LEAST THREE SIDES THEREOF, WITH THE OPEN SIDE OF THE CHANNEL FACING INWARDLY AND SEATING ON THE LATERAL PROJECTIONS OF SAID CLAMPING FRAME TO EFFECT A NESTED FIT AROUND SAID WINDOW UNIT THEREBY LOCATING
Claim 2
Dependent Claim
131 words
A RECTANGULAR CLOSURE FOR THE ACCESS OPENING OF AN OVEN INCLUDING A WINDOW UNIT COMPRISING A PAIR OF SPACED WINDOW PANELS WITH A SPACER BETWEEN AND SEALINGLY ENGAGING SAID PANELS AT THE EDGES THEREOF, A CONTINOUS CLAMPING AND SEALING FRAME FOR CLAMPING SAID PANELS AGAINST SAID SPACER COMPRISING A CHANNEL FRAME FITTING AROUND THE PERIPHERAL EDGES OF SAID SPACED WINDOW PANELS WITH SAID SPACER THEREBETWEEN; SAID CLAMPING FRAME HAVING INTERGRAL CONTINUOUS LATERAL PROJECTIONS ON EACH SIDE THEREOF, AND A ONE-PIECE SHEET METAL OUTER WRAP-AROUND CLOSURE FRAME OF CHANNEL-SHAPED CROSS SECTION WRAPPED AROUND SAID WINDOW UNIT ON AT LEAST THREE SIDES THEREOF, WITH THE OPEN SIDE OF THE CHANNEL FACING INWARDLY AND SEATING ON THE LATERAL PROJECTIONS OF SAID CLAMPING FRAME TO EFFECT A NESTED FIT AROUND SAID WINDOW UNIT THEREBY LOCATING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |