US3058205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight plurality of generally conical, hollow, metallic objects
Assignee: Lodge and Shipley Co
•
Filing: 1955-02-28
•
Granted: 1962-10-16
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Claus L Sporck
- 👤 Sassen Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/14; B21D22/16; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12389; Y10T428/12465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1468748A
Cited
US2048598A
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GB344473A
Cited
GB436768A
Cited
US2106527A
Cited
US2493633A
Cited
US2496351A
Cited
US2710523A
Cited
US2790304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |