US2130831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Framed glazing unit
Assignee: Individual
•
Filing: 1937-03-25
•
Granted: 1938-09-20
•
Expires: 1957-03-25
Abstract
No abstract record available.
Inventors
- 👤 George W Batchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:50
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/663; E06B3/66309; E06B3/66342; E06B3/66357; E06B3/6621; E06B3/66304; E06B3/66333; E06B3/66366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-09-19 | 1942-03-21 | 1942-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-19 | 1946-03-21 | 1946-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-19 | 1950-03-21 | 1950-09-20 | $7700.00 | Window Closed / Lapsed |