US3180980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion-proof floodlight
Assignee: Pyle National Co
•
Filing: 1962-11-28
•
Granted: 1965-04-27
•
Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Ian Y Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
CPC Classifications
F; F21; F21V; F21V25/00; F21V25/12; F21V31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
AN EXPLOSION PROOF FLOODLIGHT COMPRISING AN ELONGATED SHALLOW BODY PORTION HAVING A FRONT SIDE AND A BACK SIDE, A CYLINDRICALLY-SHAPED LARGE COMPARTMENT FORMED IN SAID BODY PORTION AND OPENING TO SAID FRONT SIDE, SAID LARGE COMPARTMENT HAVING A THREADED SIDE WALL, AN ELECTRIC LAMP MOUNTED IN SAID LARGE COMPARTMENT, AN ANNULAR INNER RING HAVING A FLAT MARGINAL SURFACE AND HAVING A TOP PORTION THREADED COMPLEMENTARILY TO SAID SIDE WALL OF SAID LARGE COMPARTMENT AND THREADEDLY SECURED THERETO, A SUBSTANTIALLY FLAT FRONT GLASS SHOULDERED ON SAID MARGINAL SURFACE OF SAID INNER RING, A CENTRALLY APERTURED COVER HAVING A FLAT MARGINAL SURFACE OVERLYING SAID FRONT GLASS AND HAVING A SIDE WALL THREADED COMPLEMENTARILY TO SAID TOP PORTION OF SAID INNER RING AND THREADEDLY SECURED THERETO, A PAIR OF THIN FLAT GASKETS SEPARATING SAID FRONT GLASS FROM SAID INNER RING AND SAID COVER, RESPECTIVELY, A CYLINDRICALLY-SHAPED SMALL COMPARTMENT FROMED IN SAID BODY PORTION ADJACENT SAID LARGE COMPARTMENT AND OPENING TO SAID FRONT SIDE, A TERMINAL BLOCK MOUNTED IN SAID COMPARTMENT, A COVER CAP FIXEDLY SECURED TO SAID BODY PORTION COVERING SAID OPENING OF SAID SMALL COMPARTMENT, AND ELECTRIC CIRCUIT MEANS CONNECTING SAID LAMP AND SAID TERMINAL BLOCK.
Claim 2
Dependent Claim
194 words
AN EXPLOSION PROOF FLOODLIGHT COMPRISING AN ELONGATED SHALLOW BODY PORTION HAVING A FRONT SIDE AND A BACK SIDE, A CYLINDRICALLY-SHAPED LARGE COMPARTMENT FORMED IN SAID BODY PORTION AND OPENING TO SAID FRONT SIDE, SAID LARGE COMPARTMENT HAVING A THREADED SIDE WALL, AN ELECTRIC LAMP MOUNTED IN SAID LARGE COMPARTMENT, AN ANNULAR INNER RING HAVING A FLAT MARGINAL SURFACE AND HAVING A TOP PORTION THREADED COMPLEMENTARILY TO SAID SIDE WALL OF SAID LARGE COMPARTMENT AND THREADEDLY SECURED THERETO, A SUBSTANTIALLY FLAT FRONT GLASS SHOULDERED ON SAID MARGINAL SURFACE OF SAID INNER RING, A CENTRALLY APERTURED COVER HAVING A FLAT MARGINAL SURFACE OVERLYING SAID FRONT GLASS AND HAVING A SIDE WALL THREADED COMPLEMENTARILY TO SAID TOP PORTION OF SAID INNER RING AND THREADEDLY SECURED THERETO, A PAIR OF THIN FLAT GASKETS SEPARATING SAID FRONT GLASS FROM SAID INNER RING AND SAID COVER, RESPECTIVELY, A CYLINDRICALLY-SHAPED SMALL COMPARTMENT FROMED IN SAID BODY PORTION ADJACENT SAID LARGE COMPARTMENT AND OPENING TO SAID FRONT SIDE, A TERMINAL BLOCK MOUNTED IN SAID COMPARTMENT, A COVER CAP FIXEDLY SECURED TO SAID BODY PORTION COVERING SAID OPENING OF SAID SMALL COMPARTMENT, AND ELECTRIC CIRCUIT MEANS CONNECTING SAID LAMP AND SAID TERMINAL BLOCK.
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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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |