US2830002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens structure
Assignee: Individual
•
Filing: 1953-07-03
•
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 17:45
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
Cited
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 |