Patent US3315409A successfully refreshed from Google Patents.
US3315409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Greenhouse
Assignee: Individual
•
Filing: 1965-10-27
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Granted: 1967-04-25
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Expires: 1985-10-27
Abstract
No abstract record available.
Inventors
- 👤 Noe J Poulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:24
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; A01G9/16; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A GREENHOUSE COMPRISING: A LIGHT-ADMITTING HOUSING HAVING A FLAT APEX WITH AN OPENING HAVING A RIM FORMED BY A WALL PORTION OF THE HOUSING, AND HAVING OPPOSITE SLOTS IN SAID WALL PORTION; A COVER FOR SAID OPENING CAPABLE OF RESTING FREELY ON SAID RIM; AND A BIMETAL STRIP EXTENDING WITH ITS ENDS INTO RESPECTIVE SLOTS, AT ITS INTERMEDIATE REGION CENTRALLY CONTACTING SAID COVER, AND ORIENTED UNIFORMLY TO LIFT SAID COVER FROM THE OPENING UPON DISTORT OF THE STRIP BY TEMPERATURE RISE.
Claim 2
Dependent Claim
81 words
A GREENHOUSE COMPRISING: A LIGHT-ADMITTING HOUSING HAVING A FLAT APEX WITH AN OPENING HAVING A RIM FORMED BY A WALL PORTION OF THE HOUSING, AND HAVING OPPOSITE SLOTS IN SAID WALL PORTION; A COVER FOR SAID OPENING CAPABLE OF RESTING FREELY ON SAID RIM; AND A BIMETAL STRIP EXTENDING WITH ITS ENDS INTO RESPECTIVE SLOTS, AT ITS INTERMEDIATE REGION CENTRALLY CONTACTING SAID COVER, AND ORIENTED UNIFORMLY TO LIFT SAID COVER FROM THE OPENING UPON DISTORT OF THE STRIP BY TEMPERATURE RISE.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |