US2699668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural assembly of glass plates
Assignee: PPG Industries Inc
•
Filing: 1948-07-30
•
Granted: 1955-01-18
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Edward H Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:29
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1551462A
Cited
US578728A
Cited
US534788A
Cited
US682621A
Cited
US722588A
Cited
US790132A
Cited
US959940A
Cited
US1031364A
Cited
US1048566A
Cited
US1215882A
Cited
FR651500A
Cited
US1818404A
Cited
FR37731E
Cited
US1863381A
Cited
FR750919A
Cited
GB459428A
Cited
US2371493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |