Patent US3562972A successfully refreshed from Google Patents.
US3562972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Greenhouse construction
Assignee: Halcon Research and Development Corp
•
Filing: 1969-04-17
•
Granted: 1971-02-16
•
Expires: 1989-04-17
Abstract
Abstract A GREENHOUSE CONSTRUCTION IS PROVIDED WHICH IS ATTACHABLE TO A SUPPORTING STRUCTURE SUCH AS A HOUSE OR THE LIKE. THE GREENHOUSE CONSTRUCTION IS PORTABLE AND READILY ASSEMBLED AND TO THIS END IS FOUNDATIONLESS OR SUBSTANTIALLY SO. TO FACILITATE ASSEMBLY OF THE CONSTRUCTION THERE IS PROVIDED A DEMOUNTABLE FRAMEWORK WHICH IS RECEIVED BY EXPANSION-TYPE RECEPTACLES WHICH ACCOMMODATE DEVIATIONS FROM PROPER ALIGNMENT AND WHICH FURTHERMORE ACCOMMODATE EXPANSION AND CONTRACTION DUE TO CHANGES IN TEMPERATURE AND SO FORTH. A PARTICULAR DESIGN IS PROVIDED FOR THE FRAMEWORK MEMBERS SUCH THAT GLASS PANES CAN BE READILY MOUNTED AT THE PLACE OF FINAL ASSEMBLY.
Inventors
- 👤 Cyrus D Amato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:46
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/62; E06B3/6205; A; A01; A01G; A01G9/00; A01G9/14; A01G9/16; E06B2003/6217; E06B2003/6223; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25; Y10; Y10S; Y10S52/00; Y10S52/17
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |