US3054153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double pane element
Assignee: THERMO CHEMICAL DEV CO
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Filing: 1958-08-20
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Granted: 1962-09-18
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Expires: 1978-08-20
Abstract
No abstract record available.
Inventors
- 👤 Partsch Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:55
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/663; E06B3/66309; E06B3/66342; E06B3/66347; E06B3/67; E06B3/6715
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2094381A
Cited
US2444976A
Cited
US2348307A
Cited
US2625717A
Cited
US2708774A
Cited
US2838810A
Cited
US2939186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |