US2887737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for glazing unit
Assignee: PPG Industries Inc
•
Filing: 1954-07-12
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Granted: 1959-05-26
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Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frank R Prescott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:14
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/677; E06B3/6775; C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/245; C03C; C03C27/00; C03C27/06; C03C27/10
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) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |