US3254465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Divided light windows
Assignee: Malta Manufacturing Co
•
Filing: 1964-01-09
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Granted: 1966-06-07
•
Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Fred C Brengman
- 👤 Keith C Brengman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/68; E06B3/685; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |