Patent US3137901A successfully refreshed from Google Patents.
US3137901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash clip
Assignee: Alsco Inc
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Filing: 1961-08-31
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Granted: 1964-06-23
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 Malachowski Frank
- 👤 Trillich Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/5481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SASH CLIP OF SPRINGY SHEET METAL FOR INSERTION THROUGH A SLOT IN A HOLLOW FRAME MEMBER, WHICH CLIP COMPRISES AN S-SHAPED BODY PORTION AND A STOP PORTION JOINED THERETO AND FORMING A RIGHT ANGLE THEREWITH; THE STOP PORTION FORMING WITH THE BODY PORTION AN ELONGATED, RIGHTANGLED, THREE-SIDED NOTCH AND INCLUDING A RELATIVELY NARROW, RIGHT-ANGLED, THREE-SIDED NOTCH ADJACENT TO IT, A SHORT LENGTH OF THE SHEET METAL CONSTITUTING A WALL WHICH IS COMMON TO BOTH NOTCHES.
Claim 2
Dependent Claim
76 words
A SASH CLIP OF SPRINGY SHEET METAL FOR INSERTION THROUGH A SLOT IN A HOLLOW FRAME MEMBER, WHICH CLIP COMPRISES AN S-SHAPED BODY PORTION AND A STOP PORTION JOINED THERETO AND FORMING A RIGHT ANGLE THEREWITH; THE STOP PORTION FORMING WITH THE BODY PORTION AN ELONGATED, RIGHTANGLED, THREE-SIDED NOTCH AND INCLUDING A RELATIVELY NARROW, RIGHT-ANGLED, THREE-SIDED NOTCH ADJACENT TO IT, A SHORT LENGTH OF THE SHEET METAL CONSTITUTING A WALL WHICH IS COMMON TO BOTH NOTCHES.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |