Patent US3222839A successfully refreshed from Google Patents.
US3222839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting panels in frames
Assignee: Individual
•
Filing: 1961-01-13
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Granted: 1965-12-14
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Expires: 1981-01-13
Abstract
No abstract record available.
Inventors
- 👤 Philpot Arthur Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:30
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/5871; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E06B3/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A PANEL-SUPPORTING FRAME COMPRISING A FRAME MEMBER OF CONSTANT CROSS-SECTIONAL SHAPE, A PANEL SUPPORTING MEMBER OF CONSTANT CROSS-SECTIONAL SHAPE, A CYCLIC PORTION EXTENDING ALONG ONE OF SAID MEMBERS, A NARROW MOUNTED CHANNEL EXTENDING ALONG THE OTHER SAID MEMBER, SAID CYCLIC PORTION BEING ROTATABLIY RETAINED WITHIN SAID NARROW MOUNTED CHANNEL BY THE WALLS THEREOF, A PANEL SUPPORTING FLANGE INTEGRAL WITH SAID CYCLIC PORTION AND EXTENDING OUTWARDLY THROUGH THE MODTH OF SAID CHANNEL, A PANEL SUPPORTING PORTION INTEGRAL WITH SAID CHANNEL WALLS,
References Cited (Backward Citations)
US1307972A
Cited
US656314A
Cited
US900691A
Cited
US947617A
Cited
US1085229A
Cited
US1548083A
Cited
US1721596A
Cited
US1758720A
Cited
US1893956A
Cited
US1999219A
Cited
US2312667A
Cited
GB640088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |