Patent US3158938A successfully refreshed from Google Patents.
US3158938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-indicating filamentary supply
Assignee: Owens Corning
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Filing: 1960-07-25
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Granted: 1964-12-01
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Philipps
- 👤 William W Thompson
- 👤 Harry V Northrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:50
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A WOUND SUPPLY OF CONTINUOUS FILAMENTARY MATERIAL, COMPRISING A PLURALITY OF LAYERS OF FILAMENTARY MATERIAL, EACH LAYER FORMED OF A PLURALITY OF COILS OF THE MATERIAL, A PLURALITY OF SAID LAYERS HAVING EDGES ASSOCIATED TO FORM AN EXPOSED SURFACE ADAPTED TO BE PROGRESSIVELY DEPLETED IN PROPORTION TO THE DIMINUTION IN THE QUANTITY OF MATERIAL IN THE SUPPLY IN THE PROCESS OF UNWINDING THE FILAMENTARY MATERIAL FROM THE SUPPLY, AND VISIBLE INDICIA ON SAID SURFACE ARRANGED TO REPRESENT INCREMENTS OF THE QUANTITY OF THE MATERIAL IN THE SUPPLY.
Claim 2
Dependent Claim
87 words
A WOUND SUPPLY OF CONTINUOUS FILAMENTARY MATERIAL, COMPRISING A PLURALITY OF LAYERS OF FILAMENTARY MATERIAL, EACH LAYER FORMED OF A PLURALITY OF COILS OF THE MATERIAL, A PLURALITY OF SAID LAYERS HAVING EDGES ASSOCIATED TO FORM AN EXPOSED SURFACE ADAPTED TO BE PROGRESSIVELY DEPLETED IN PROPORTION TO THE DIMINUTION IN THE QUANTITY OF MATERIAL IN THE SUPPLY IN THE PROCESS OF UNWINDING THE FILAMENTARY MATERIAL FROM THE SUPPLY, AND VISIBLE INDICIA ON SAID SURFACE ARRANGED TO REPRESENT INCREMENTS OF THE QUANTITY OF THE MATERIAL IN THE SUPPLY.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |