Patent US2830002A successfully refreshed from Google Patents.
US2830002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens structure
Assignee: Individual
•
Filing: 1953-07-03
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Granted: 1958-04-08
•
Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Bruce B Mohs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/30; H01K3/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
THE PROCESS OF PROVIDING A LAMP HAVING A GLASS ENVELOPE WITH A SUPPLEMENTARY LENS ATTACHED THERETO SEPARATED FROM THE ADJACENT PORTION OF SAID GLASS ENVELOPE BY A SEALED-OFF SPACED WHICH COMPRISES SUPPORTING A SHEET OF ACRYLIC SYNTHETIC RESIN ON A TAMPERED RING, HEATING SAID LAMP, SAID DISC AND SAID RING TO ABOVE 200*F. AND FORCING SAID LAMP DOWNWARD INTO SAID DISC UNTIL HALTED BY SAID TAPERED RING.
References Cited (Backward Citations)
US1801396A
Cited
US2303198A
Cited
US2362172A
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US2382939A
Cited
US2520691A
Cited
US2548353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |