Patent US3399294A successfully refreshed from Google Patents.
US3399294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated insulated glass window structure
Assignee: RICHARD R THIEBEN
•
Filing: 1966-01-24
•
Granted: 1968-08-27
•
Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Richard R Thieben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:05
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; A; A47; A47L; A47L1/00; A47L1/16; H; H05; H05B; H05B3/00; H05B3/84
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |