Patent US2729054A successfully refreshed from Google Patents.
US2729054A
Expired / Lapsed
US
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Helically-preformed armor for linear bodies
Assignee: Individual
•
Filing: 1952-11-19
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Granted: 1956-01-03
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:30
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/14; B; B21; B21F; B21F17/00; B21F7/00; D; D07; D07B; D07B5/00; D07B5/005; Y; Y10; Y10S; Y10S174/00; Y10S174/12; Y10S57/00; Y10S57/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321240A
Cited
US337513A
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US817328A
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US1873798A
Cited
GB411940A
Cited
US2257953A
Cited
US2414136A
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US2604509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |