US3080023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1960-02-15
•
Granted: 1963-03-05
•
Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Armstrong Henry Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:37
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A WINDOW OF THE CHARACTER DESCRIBED, TWO HORIZONTALLY SLIDABLE CLOSURE PANELS AND A SUPPORTING STRUCTURE THEREFOR COMPRISING A HOLLOW METAL FRAME EMBODYING TWO JAMBS, A SILL AND A HEADER; A NON-METALLIC SILL TRACK SUPPORTED BY AND EXTENDING TRANSVERSELY AND LONGITUDINALLY OF THE SAID SILL; A NON-METALLIC HEADER TRACK DETACHABLY SUPPORTED BY AND EXTENDING TRANSVERSELY AND LONGITUDINALVERSELY AND LONGITUDINALLY THEREOF; AND RESILIENT SEALS LY OF THE SAID HEADER; A NON-METALLIC JAMB SEAL DETACHABLY SUPPORTED BY EACH SAID JAMB AND EXTENDING TRANS-
Claim 2
Dependent Claim
81 words
IN A WINDOW OF THE CHARACTER DESCRIBED, TWO HORIZONTALLY SLIDABLE CLOSURE PANELS AND A SUPPORTING STRUCTURE THEREFOR COMPRISING A HOLLOW METAL FRAME EMBODYING TWO JAMBS, A SILL AND A HEADER; A NON-METALLIC SILL TRACK SUPPORTED BY AND EXTENDING TRANSVERSELY AND LONGITUDINALLY OF THE SAID SILL; A NON-METALLIC HEADER TRACK DETACHABLY SUPPORTED BY AND EXTENDING TRANSVERSELY AND LONGITUDINALVERSELY AND LONGITUDINALLY THEREOF; AND RESILIENT SEALS LY OF THE SAID HEADER; A NON-METALLIC JAMB SEAL DETACHABLY SUPPORTED BY EACH SAID JAMB AND EXTENDING TRANS-
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |