Patent US3133538A successfully refreshed from Google Patents.
US3133538A
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Surgical sponges
Assignee: Pratt Manufacturing Corp
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Filing: 1961-10-11
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Granted: 1964-05-19
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Expires: 1981-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pratt
- 👤 Herbert E Nicol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:38
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/44; A61B; A61B6/00; A61B6/12; A61B90/00; A61B90/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF MANUFACTURING A SURGICAL SPONGE WITH A TRACER THREAD THEREIN COMPRISING THE STEPS OF PROGRESSIVELY EXTENDING A THREAD OF X-RAY RESPONSIVE MATERIAL ACROSS THE SULFACE OF A BLANK OF GAUZE OR THE LIKE, DURING SAID EXTENDING, CIRCLING THE THREAD BACK IN A REVERSE DIRECTION AND THEN CAUSING IT TO CROSS ITSELF TO FORM A CLOSED LOOP, CONTINUING ACROSS THE WIDTH OF THE BLANK WHILE FORMING A FEW OTHER SIMILAR CLOSED LOOPOS AND WHILE SPACING SAID LOOPS RELATIVELY WIDELY LONGITUDINALLY OF THE THREAD IN A PREDETERMINED MANNER, AND FOLDING THE BLANK ON MULTIPLE FOLD LINES WHICH ARE SO SPACED RELATIVE TO THE SPACING OF THE LOOPS AS TO FORM A PAD WHEREIN THERE ARE A PLURALITY OF NON-SUPERIMPOSED CLOSED LOOPS.
Claim 2
Independent Claim
121 words
A METHOD OF MANUFACTURING A SURGICAL SPONGE WITH A TRACER THREAD THEREIN COMPRISING THE STEPS OF PROGRESSIVELY EXTENDING A THREAD OF X-RAY RESPONSIVE MATERIAL ACROSS THE SULFACE OF A BLANK OF GAUZE OR THE LIKE, DURING SAID EXTENDING, CIRCLING THE THREAD BACK IN A REVERSE DIRECTION AND THEN CAUSING IT TO CROSS ITSELF TO FORM A CLOSED LOOP, CONTINUING ACROSS THE WIDTH OF THE BLANK WHILE FORMING A FEW OTHER SIMILAR CLOSED LOOPOS AND WHILE SPACING SAID LOOPS RELATIVELY WIDELY LONGITUDINALLY OF THE THREAD IN A PREDETERMINED MANNER, AND FOLDING THE BLANK ON MULTIPLE FOLD LINES WHICH ARE SO SPACED RELATIVE TO THE SPACING OF THE LOOPS AS TO FORM A PAD WHEREIN THERE ARE A PLURALITY OF NON-SUPERIMPOSED CLOSED LOOPS.
References Cited (Backward Citations)
GB229426A
Cited
GB346497A
Cited
US2190431A
Cited
GB640541A
Cited
US2698270A
Cited
GB790417A
Cited
GB805082A
Cited
GB839451A
Cited
US2972350A
Cited
US2928389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |