Patent US3227593A successfully refreshed from Google Patents.
US3227593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a multiple-pane insulating glass
Assignee: Spiegelglaswerke Germania AG
•
Filing: 1961-01-16
•
Granted: 1966-01-04
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Woelk Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/673; E06B3/67326; E06B3/6733; E06B3/67334
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
THE METHOD OF PRODUCING A DOUBLE-PANE INSULATING GLASS WHICH COMPRISES ENCLOSING ONE GLASS PANE WITHIN AN OUTER SURROUNDING FRAME, LOCATING A SECOND INNER FRAME ON SAID PANE, WITH ITS EDGES EQUALLY SPACED FROM THE OUTER FRAME TEMPORARILY ATTACHING THE INNER FRAME TO THE SAID LAST PANE, CASTING AN ADHERENT PLASTIC WEB ON THE GLASS BETWEEN SAID FRAMES, REMOVING THE FRAMES, AND APPLYING A SECOND PANE ADHESIVELY TO THE SURFACE OF SAID WEB AND SIMULTANEOUSLY EXHAUSTING THE AIR BETWEEN SAID PANES.
References Cited (Backward Citations)
US2094381A
Cited
US2143747A
Cited
US2138164A
Cited
US2038771A
Cited
US2705223A
Cited
US2887424A
Cited
US2966435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |