US2834806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of pile carpets
Assignee: BIGELOW SANFORD CARPET CO
•
Filing: 1953-05-04
•
Granted: 1958-05-13
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harry F Jamrogowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
D; D03; D03D; D03D27/00; D03D27/02; D03D27/06; D03D27/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF WEAVING A CARPET HAVING A RAISED WARP PILE SURFACE WHICH COMPRISES THE STEPS OF SHEDDING GROUND WARPS AND PILE WARPS AT A DIFFERENT LEVEL FROM THE GROUND WARPS, INSERTING WEFTS INTO THE SUCCESSIVELY FORMED SHEDS AND BEATING THE WEFTS INTO THE FELL IN ACCORDANCE WITH A PREDETERMINED SEQUENCE OF SHEDDING TO PRODUCE SUCCESSIVE ROWS OF WEAVING, AND MANIPULATING IN SUBSTANTIALLY VERTICAL DIRECTIONS AND OSCILLATING A HOOK BAR ASSEMBLY COMPRISING A BAR HAVING HOOKS INDIVIDUALLY POSITIONED AND SUPPORTED IN SAID BAR TO ENGAGE AND RAISE LOOPS OF SAID PILE WARPS OF DIFFERENT SELECTED HEIGHTS TO BE BEATEN INTO THE FELL, AND CHANGING THE HOOK BAR ASSEMBLY AFTER A SELECTED ROW OF WEAVING TO PROVIDE A DIFFERENT SELECTION OF BAR SUPPORTED HOOK LENGTHS TO PRODUCE DIFFERENT LOOP HEIGHT SELECTIONS FOR A SUCCESSIVE ROW OF WEAVING IN ACCORDANCE WITH A PATTERN.
Claim 2
Independent Claim
141 words
THE METHOD OF WEAVING A CARPET HAVING A RAISED WARP PILE SURFACE WHICH COMPRISES THE STEPS OF SHEDDING GROUND WARPS AND PILE WARPS AT A DIFFERENT LEVEL FROM THE GROUND WARPS, INSERTING WEFTS INTO THE SUCCESSIVELY FORMED SHEDS AND BEATING THE WEFTS INTO THE FELL IN ACCORDANCE WITH A PREDETERMINED SEQUENCE OF SHEDDING TO PRODUCE SUCCESSIVE ROWS OF WEAVING, AND MANIPULATING IN SUBSTANTIALLY VERTICAL DIRECTIONS AND OSCILLATING A HOOK BAR ASSEMBLY COMPRISING A BAR HAVING HOOKS INDIVIDUALLY POSITIONED AND SUPPORTED IN SAID BAR TO ENGAGE AND RAISE LOOPS OF SAID PILE WARPS OF DIFFERENT SELECTED HEIGHTS TO BE BEATEN INTO THE FELL, AND CHANGING THE HOOK BAR ASSEMBLY AFTER A SELECTED ROW OF WEAVING TO PROVIDE A DIFFERENT SELECTION OF BAR SUPPORTED HOOK LENGTHS TO PRODUCE DIFFERENT LOOP HEIGHT SELECTIONS FOR A SUCCESSIVE ROW OF WEAVING IN ACCORDANCE WITH A PATTERN.
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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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |