US2909814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple panel glazing units
Assignee: Individual
•
Filing: 1956-12-05
•
Granted: 1959-10-27
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 James W Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:26
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; E; E06; E06B; E06B3/00; E06B3/54; E06B3/64; E06B3/645; E06B3/66; E06B3/663; E06B3/66309; E06B3/66342; E06B3/66347; E06B3/677; E06B2003/6639
Claims Analysis
Total Claims: 0
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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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |