US2781561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glazing construction
Assignee: DICKS PONTIUS Co
•
Filing: 1953-02-26
•
Granted: 1957-02-19
•
Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert T Gifford
- 👤 Vernet Sergius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/62; E06B2003/6217; E06B2003/6229; E06B2003/6232; E06B2003/625; E06B2003/6258; E06B2003/627; E06B2003/6273; E06B2003/6276; E06B2003/6279; E06B2003/6282; E06B2003/6285; E06B2003/6291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |