US3477506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus relating to fabrication and installation of expanded members
Assignee: Lynes Inc
•
Filing: 1968-07-22
•
Granted: 1969-11-11
•
Expires: 1988-07-22
Abstract
No abstract record available.
Inventors
- 👤 Billy C Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/127; E21B23/00; E21B29/00; E21B29/10; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B43/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734580A
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US2214226A
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US2214227A
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US2778432A
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US3134442A
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US3326293A
Cited
US3364993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |