US3226891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canopies
Assignee: Individual
•
Filing: 1964-04-07
•
Granted: 1966-01-04
•
Expires: 1984-04-07
Abstract
No abstract record available.
Inventors
- 👤 William C Heirich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:40
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
AN INTERLOCKING PANEL WHEN MAY BE ASSEMBLED TOGETHER WITH OTHER PANELS TO FORM A WALL EITHER BY SLIDING TOGETHER OR SNAPPING IN PLACE, COMPRISING ARCHED SIDE PORTIONS AND AN INTERCONNECTING INTERMEDIATE PORTION, SAID ARCHED SIDE PORTIONS TERMINATING IN FIRST AND SECOND COMPLEMENTARILY CONFIGURED LOCKING FLANGES, SAID FIRST LOCKING FLANGE HAVING A TOP SECTION AND DOWNWARLDY CURVED SIDE SECTIONS ON EACH SIDE THEREOF, SAID DOWNWARDLY CURVED SIDE SECTIONS EXTENDING TO POINTS SPACED INWARDLY FROM THE FURTHERMOST EXTREMITIES OF SAID TOP SECTION, ONE OF SAID SIDE SECTIONS OF SAID FIRST FLANGE CONSTITUTING A CONTINUATION OF ONE OF SAID ARCHED SIDE PORTIONS OF SAID PANEL, SAID SECOND FLANGE HAVING A TOP SECTION WITH A DOWNWARDLY CURVED MIDPORTION, SAID TOP PORTION OF SAID SECOND FLANGE BEING SHORTER IN SPAN THAN SAID TOP SECTION OF SAID FIRST FLANGE AS DEFINED BY THE EXTREMITIES THEREOF, SAID TOP SECTION OF SAID SECOND FLANGE ALSO BEING LONGER IN SPAN THAN THE DISTANCE DEFINED BY SAID POINTS BETWEEN SAID DOWNWARDLY AND INWARDLY CURVED SIDE SECTIONS OF SAID FIRST FLANGE, SAID SECOND FLANGE INCLUDING A SIDE PORTION CONSTITUTING A CONTINUATION OF THE OTHER OF SAID ARCHED SIDE PORTION OF SAID PANEL.
Claim 2
Dependent Claim
191 words
AN INTERLOCKING PANEL WHEN MAY BE ASSEMBLED TOGETHER WITH OTHER PANELS TO FORM A WALL EITHER BY SLIDING TOGETHER OR SNAPPING IN PLACE, COMPRISING ARCHED SIDE PORTIONS AND AN INTERCONNECTING INTERMEDIATE PORTION, SAID ARCHED SIDE PORTIONS TERMINATING IN FIRST AND SECOND COMPLEMENTARILY CONFIGURED LOCKING FLANGES, SAID FIRST LOCKING FLANGE HAVING A TOP SECTION AND DOWNWARLDY CURVED SIDE SECTIONS ON EACH SIDE THEREOF, SAID DOWNWARDLY CURVED SIDE SECTIONS EXTENDING TO POINTS SPACED INWARDLY FROM THE FURTHERMOST EXTREMITIES OF SAID TOP SECTION, ONE OF SAID SIDE SECTIONS OF SAID FIRST FLANGE CONSTITUTING A CONTINUATION OF ONE OF SAID ARCHED SIDE PORTIONS OF SAID PANEL, SAID SECOND FLANGE HAVING A TOP SECTION WITH A DOWNWARDLY CURVED MIDPORTION, SAID TOP PORTION OF SAID SECOND FLANGE BEING SHORTER IN SPAN THAN SAID TOP SECTION OF SAID FIRST FLANGE AS DEFINED BY THE EXTREMITIES THEREOF, SAID TOP SECTION OF SAID SECOND FLANGE ALSO BEING LONGER IN SPAN THAN THE DISTANCE DEFINED BY SAID POINTS BETWEEN SAID DOWNWARDLY AND INWARDLY CURVED SIDE SECTIONS OF SAID FIRST FLANGE, SAID SECOND FLANGE INCLUDING A SIDE PORTION CONSTITUTING A CONTINUATION OF THE OTHER OF SAID ARCHED SIDE PORTION OF SAID PANEL.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |