Patent US2710677A successfully refreshed from Google Patents.
US2710677A
Expired / Lapsed
US
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Protective sleeve for metal posts
Assignee: Starline Inc
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Filing: 1952-06-21
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Granted: 1955-06-14
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Expires: 1972-06-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:04
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2292; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/151; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |