US2835360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated non-heat conducting metal window frame
Assignee: Individual
•
Filing: 1956-04-03
•
Granted: 1958-05-20
•
Expires: 1976-04-03
Abstract
No abstract record available.
Inventors
- 👤 Bernardoni John
- 👤 Frank E Bernardoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/263; E06B3/26301; E06B2003/26349; E06B2003/2635; E06B2003/26352; Y; Y10; Y10S; Y10S49/00; Y10S49/01
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |