US3115819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated enclosure
Assignee: Sheffield Corp
•
Filing: 1961-03-06
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Granted: 1963-12-31
•
Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Mahlmeister
- 👤 Jesse H Straw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; Y; Y10; Y10S; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PREFABRICATED ENVIRONMENTAL CONTROLLED ENCLOSURE, COMPRISING A PLURALITY OF WALL SECTIONS, A ROOF, SAID WALL SECTIONS EXTENDING UPWARDLY TO THE ROOF AND EACH HAVING AN UPWARDLY EXTENDING PASSAGE GENERALLY COEXTENSIVE IN AREA WITH THE AREA OF THE SECTION, MEANS FOR ATTACHING THE WALL SECTIONS AND THE ROOF TO FORM AN ENCLOSURE, A CEILING SUPPORTED FROM SAID ROOF AND IN SPACED RELATION THEREBELOW AND PROVIDED WITH A PLURALITY OF SPACED OPENINGS FOR THE DIFFUSED DISTRIBUTION OF AIR OVER THE CEILING AREA, VENT MEANS IN THE LOWER PORTIONS OF THE WALL SECTIONS IN
Claim 2
Dependent Claim
91 words
A PREFABRICATED ENVIRONMENTAL CONTROLLED ENCLOSURE, COMPRISING A PLURALITY OF WALL SECTIONS, A ROOF, SAID WALL SECTIONS EXTENDING UPWARDLY TO THE ROOF AND EACH HAVING AN UPWARDLY EXTENDING PASSAGE GENERALLY COEXTENSIVE IN AREA WITH THE AREA OF THE SECTION, MEANS FOR ATTACHING THE WALL SECTIONS AND THE ROOF TO FORM AN ENCLOSURE, A CEILING SUPPORTED FROM SAID ROOF AND IN SPACED RELATION THEREBELOW AND PROVIDED WITH A PLURALITY OF SPACED OPENINGS FOR THE DIFFUSED DISTRIBUTION OF AIR OVER THE CEILING AREA, VENT MEANS IN THE LOWER PORTIONS OF THE WALL SECTIONS IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |