US2763038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structure
Assignee: Adlake Co
•
Filing: 1952-05-13
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Granted: 1956-09-18
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Expires: 1972-05-13
Abstract
No abstract record available.
Inventors
- 👤 Andrew T Hagerty
- 👤 Charles A Pressnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/40; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2318; E06B1/00; E06B1/006
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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |