US3390951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strengtheining, preservation, and extension of life of wooden poles
Assignee: Penn Line Service Inc
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Filing: 1964-10-05
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Granted: 1968-07-02
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Finger James Henry
- 👤 William H Johns
- 👤 Donald J Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF STRENGTHENING WOODEN POLES HAVING A ZONE OF WEAKNESS, WHICH COMPRISES APPLYING METAL BAND MEANS TO THE POLE ABOVE AND BELOW THE ZONE OF WEAKNESS, SURROUNDING THE ZONE OF WEAKNESS WITH A FIBROUS RESIN IMPREGNATED MATERIAL, AND CONNECTING TENSION MEANS TO THE POLE ABOVE THE UPPER BAND MEANS AND BELOW THE LOWER BAND MEANS AND EXTENDING THEREBETWEEN.
Claim 2
Independent Claim
59 words
THE METHOD OF STRENGTHENING WOODEN POLES HAVING A ZONE OF WEAKNESS, WHICH COMPRISES APPLYING METAL BAND MEANS TO THE POLE ABOVE AND BELOW THE ZONE OF WEAKNESS, SURROUNDING THE ZONE OF WEAKNESS WITH A FIBROUS RESIN IMPREGNATED MATERIAL, AND CONNECTING TENSION MEANS TO THE POLE ABOVE THE UPPER BAND MEANS AND BELOW THE LOWER BAND MEANS AND EXTENDING THEREBETWEEN.
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |